Category Archives: How to Fix

Zhang Qiang UVM debug

If you instantiate tr and type TF, the fastest way to do this is to search the given prompt (usually in double quotes), and you’ll find a very low-level error. The error report will tell you which lines are wrong
This error means that the corresponding signal cannot be found and needs to be modified
A signal cannot be found, you need to track whether the signal exists or whether the road stiffness has changed
The

the object at dereference depth 0 is being used before it was constructed allocated.
please make sure that the object is allocated before using it

The reason is that there is no new for the corresponding property or objec. If the following code exists in top_tb.sv, it should be commented out

initial begin
   my_driver drv;
   drv = new("drv", null);
   drv.main_phase(null);
   $finish();
end
  1. cross-module reference resolution error

error 1962：no operating system found.boot sequence will automatically repeat.  

Error 1962: No operating system found. Boot sequence will automatically repeat.
 
Error reason: The operating system could not be found
Fault cause:
Today, while setting the BIOS password, I inadvertently set the Security Boot boot entry on the BIOS interface to enable
It was found that the computer could not start normally, and the reasons were as follows:
1. Security Boot set to enable means that the UEFI can start safely, and the system and driver must be formally signed before they can be booted and turned on. CSM is automatically disabled when changing Security Boot to Enable.
2.CSM is a compatible support module.CSM is enabled to support UEFI and non-UEFI startup. If CSM is disabled, we will not be able to use the informal signing system we installed ourselves.
 
Solutions:
1. First change Boot Security to disable
2. Click Startup above, find CSM and set to Enable
3. Press F10 to save and exit
 
Problem solved!!

SAP development and error reporting: 500 SAP internal server error (TE rmination:RABAX_ STATE)

1. Development machine error report: as shown in the figure below.

2. Trigger error analysis: Add new fields in component-view-context-properties as required. Development and downtime after operation.
I found a lot of data on the Internet and reported my error of RABAX_STATE, which has nothing to do with my problem. Contacted a consultant.
3. Solution: Delete the added fields and restore the system to the previous state.
Or a database backup, restore the previous database can also be.

error:control reaches end of non-void function [-Werror=return-type]

Description of problem scenario: Leetcode encountered this kind of error when scanning the question, the code was no problem, but the compilation failed, it was very suspicious of life.
problem solved: add a return statement at the end of the function, as long as the return data type pair! Remember, always return, even if you never need it.
although sometimes we have a return in the same program, but not at the end of the code, leetCode will not compile.
So we also have to return at the end of the function block. When this error occurs, LeetCode usually has a red highlight on the last line of the function block.
(Although I thought of adding the return value, I silently said to myself that it was clearly written in the middle, but there is no use in adding here…)
As shown in figure:

There was an internal error, and Internet Explorer is unable to print this document

There was an internal error, and Internet Explorer is unable to print this document

Phenomenon:
Install and share a printer on an XP system;
Suddenly, Win7 system cannot use the Shared printer properly, “There was an internal error, and Internet Explorer is unable to print this document”.
cannot be used normally, means that it cannot be printed under IE, but other applications can be printed normally.
But XP works fine.
There are two reasons for this:
One is that there are two identical printers installed on the Shared printer system, not two printers, of course, but two printers in the printer control panel, one of which is Shared.
This is the source of the trouble. Delete one and you’re done.

The second reason is because of the driver.
The printer driver needs to be updated on Windows 7.
For example, the HP M401 printer.

Caused by: java.net.SocketException : connection reset or caused by: java.sql.SQLRecoverableException solve 

Aug 12, 2019 10:42:42 AM org.apache.catalina.startup.TldConfig execute
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in
 them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.- Root WebApplicationContext: initialization started
- Refreshing Root WebApplicationContext: startup date [Mon Aug 12 10:42:43 CST 2019]; root of context hierarchy
- Loading XML bean definitions from file [/opt/apache-tomcat-7.0.91/webapps/statusPublish/WEB-INF/classes/applicationContext.xml]
- Loading XML bean definitions from file [/opt/apache-tomcat-7.0.91/webapps/statusPublish/WEB-INF/classes/baseDataSource.xml]
- Loading XML bean definitions from file [/opt/apache-tomcat-7.0.91/webapps/statusPublish/WEB-INF/classes/redis.xml]
- Loading XML bean definitions from file [/opt/apache-tomcat-7.0.91/webapps/statusPublish/WEB-INF/classes/activemq.xml]
- init datasource error, url: jdbc:oracle:thin:@172.20.16.244:1521:orcl
java.sql.SQLRecoverableException: IO Error: Connection reset
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:421)
	at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:531)
	at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:221)
	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:148)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:211)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:142)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1423)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1477)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:677)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1706)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1645)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1574)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:351)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:108)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1481)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1226)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:351)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:108)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1481)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1226)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:120)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:681)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:523)
	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444)
	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326)
	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
	at com.xaca.listener.SystemInitListener.contextInitialized(SystemInitListener.java:67)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5157)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5680)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1018)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:994)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1296)
	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:2039)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.SocketException: Connection reset
	at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:118)
	at java.net.SocketOutputStream.write(SocketOutputStream.java:159)
	at oracle.net.ns.DataPacket.send(DataPacket.java:199)
	at oracle.net.ns.NetOutputStream.flush(NetOutputStream.java:211)
	at oracle.net.ns.NetInputStream.getNextPacket(NetInputStream.java:227)
	at oracle.net.ns.NetInputStream.read(NetInputStream.java:175)
	at oracle.net.ns.NetInputStream.read(NetInputStream.java:100)
	at oracle.net.ns.NetInputStream.read(NetInputStream.java:85)
	at oracle.jdbc.driver.T4CSocketInputStreamWrapper.readNextPacket(T4CSocketInputStreamWrapper.java:122)
	at oracle.jdbc.driver.T4CSocketInputStreamWrapper.read(T4CSocketInputStreamWrapper.java:78)
	at oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1179)
	at oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1155)
	at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:279)
	at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:186)
	at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:366)
	at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:752)
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:359)
	... 63 more
- {dataSource-1} init error
java.sql.SQLRecoverableException: IO Error: Connection reset
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:421)
	at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:531)
	at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:221)
	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:148)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:211)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:142)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1423)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1477)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:677)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1706)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1645)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1574)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:351)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:108)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1481)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1226)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:351)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:108)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1481)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1226)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:120)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:681)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:523)
	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444)
	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326)
	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
	at com.xaca.listener.SystemInitListener.contextInitialized(SystemInitListener.java:67)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5157)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5680)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1018)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:994)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1296)
	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:2039)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.SocketException: Connection reset
	at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:118)
	at java.net.SocketOutputStream.write(SocketOutputStream.java:159)
	at oracle.net.ns.DataPacket.send(DataPacket.java:199)
	at oracle.net.ns.NetOutputStream.flush(NetOutputStream.java:211)
	at oracle.net.ns.NetInputStream.getNextPacket(NetInputStream.java:227)
	at oracle.net.ns.NetInputStream.read(NetInputStream.java:175)
	at oracle.net.ns.NetInputStream.read(NetInputStream.java:100)
	at oracle.net.ns.NetInputStream.read(NetInputStream.java:85)
	at oracle.jdbc.driver.T4CSocketInputStreamWrapper.readNextPacket(T4CSocketInputStreamWrapper.java:122)
	at oracle.jdbc.driver.T4CSocketInputStreamWrapper.read(T4CSocketInputStreamWrapper.java:78)
	at oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1179)
	at oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1155)
	at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:279)
	at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:186)
	at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:366)
	at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:752)
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:359)
	... 63 more
- {dataSource-1} inited
- Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org
.mybatis.spring.mapper.MapperScannerConfigurer#0' defined in file [/opt/apache-tomcat-7.0.91/webapps/statusPublish/WEB-INF/classes/applicationContext.xml]: Cannot resolve reference to bean 'sqlSessionFactory' while setting bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in file [/opt/apache-tomcat-7.0.91/webapps/statusPublish/WEB-INF/classes/applicationContext.xml]: Cannot resolve reference to bean 'baseDataSource' while setting bean property 'dataSource'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'baseDataSource' defined in file [/opt/apache-tomcat-7.0.91/webapps/statusPublish/WEB-INF/classes/baseDataSource.xml]: Invocation of init method failed; nested exception is java.sql.SQLRecoverableException: IO Error: Connection reset- Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.mybatis.spring.mapper.MapperScannerConfigurer#0' defined in file [/opt/apache-tomca
t-7.0.91/webapps/statusPublish/WEB-INF/classes/applicationContext.xml]: Cannot resolve reference to bean 'sqlSessionFactory' while setting bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in file [/opt/apache-tomcat-7.0.91/webapps/statusPublish/WEB-INF/classes/applicationContext.xml]: Cannot resolve reference to bean 'baseDataSource' while setting bean property 'dataSource'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'baseDataSource' defined in file [/opt/apache-tomcat-7.0.91/webapps/statusPublish/WEB-INF/classes/baseDataSource.xml]: Invocation of init method failed; nested exception is java.sql.SQLRecoverableException: IO Error: Connection reset	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:359)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:108)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1481)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1226)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:120)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:681)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:523)
	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444)
	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326)
	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
	at com.xaca.listener.SystemInitListener.contextInitialized(SystemInitListener.java:67)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5157)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5680)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1018)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:994)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1296)
	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:2039)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in file [/opt/apache-tomcat-7.0.91/webapps/status
Publish/WEB-INF/classes/applicationContext.xml]: Cannot resolve reference to bean 'baseDataSource' while setting bean property 'dataSource'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'baseDataSource' defined in file [/opt/apache-tomcat-7.0.91/webapps/statusPublish/WEB-INF/classes/baseDataSource.xml]: Invocation of init method failed; nested exception is java.sql.SQLRecoverableException: IO Error: Connection reset	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:359)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:108)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1481)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1226)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:351)
	... 29 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'baseDataSource' defined in file [/opt/apache-tomcat-7.0.91/webapps/statusPub
lish/WEB-INF/classes/baseDataSource.xml]: Invocation of init method failed; nested exception is java.sql.SQLRecoverableException: IO Error: Connection reset	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1578)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:351)
	... 39 more
Caused by: java.sql.SQLRecoverableException: IO Error: Connection reset
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:421)
	at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:531)
	at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:221)
	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:148)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:211)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:142)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1423)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1477)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:677)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1706)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1645)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1574)
	... 46 more
Caused by: java.net.SocketException: Connection reset
	at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:118)
	at java.net.SocketOutputStream.write(SocketOutputStream.java:159)
	at oracle.net.ns.DataPacket.send(DataPacket.java:199)
	at oracle.net.ns.NetOutputStream.flush(NetOutputStream.java:211)
	at oracle.net.ns.NetInputStream.getNextPacket(NetInputStream.java:227)
	at oracle.net.ns.NetInputStream.read(NetInputStream.java:175)
	at oracle.net.ns.NetInputStream.read(NetInputStream.java:100)
	at oracle.net.ns.NetInputStream.read(NetInputStream.java:85)
	at oracle.jdbc.driver.T4CSocketInputStreamWrapper.readNextPacket(T4CSocketInputStreamWrapper.java:122)
	at oracle.jdbc.driver.T4CSocketInputStreamWrapper.read(T4CSocketInputStreamWrapper.java:78)
	at oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1179)
	at oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1155)
	at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:279)
	at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:186)
	at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:366)
	at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:752)
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:359)
	... 63 more
Aug 12, 2019 10:47:23 AM org.apache.catalina.core.StandardContext startInternal
SEVERE: One or more listeners failed to start. Full details will be found in the appropriate container log file
Aug 12, 2019 10:47:23 AM org.apache.catalina.core.StandardContext startInternal
SEVERE: Context [/statusPublish] startup failed due to previous errors
Aug 12, 2019 10:47:23 AM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesJdbc
SEVERE: The web application [/statusPublish] registered the JDBC driver [com.alibaba.druid.proxy.DruidDriver] but failed to unregister it when the web application was stopped.
 To prevent a memory leak, the JDBC Driver has been forcibly unregistered.Aug 12, 2019 10:47:23 AM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesJdbc
SEVERE: The web application [/statusPublish] registered the JDBC driver [oracle.jdbc.OracleDriver] but failed to unregister it when the web application was stopped. To prevent
 a memory leak, the JDBC Driver has been forcibly unregistered.Aug 12, 2019 10:47:23 AM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/statusPublish] appears to have started a thread named [logback-1] but has failed to stop it. This is very likely to create a memory leak.
Aug 12, 2019 10:47:23 AM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/statusPublish] appears to have started a thread named [logback-2] but has failed to stop it. This is very likely to create a memory leak.
Aug 12, 2019 10:47:23 AM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/statusPublish] appears to have started a thread named [Druid-ConnectionPool-Create-1240664017] but has failed to stop it. This is very likely to 
create a memory leak.Aug 12, 2019 10:47:23 AM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/statusPublish] appears to have started a thread named [Druid-ConnectionPool-Destroy-1240664017] but has failed to stop it. This is very likely to
 create a memory leak.Aug 12, 2019 10:47:23 AM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks
SEVERE: The web application [/statusPublish] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@8a95bff]) and a value of type [java.l
ang.Class] (value [class oracle.sql.AnyDataFactory]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.Aug 12, 2019 10:47:23 AM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks
SEVERE: The web application [/statusPublish] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@2debc9f1]) and a value of type [java.
lang.Class] (value [class oracle.sql.TypeDescriptorFactory]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.Aug 12, 2019 10:47:23 AM org.apache.catalina.loader.WebappClassLoaderBase loadClass
INFO: Illegal access: this web application instance has been stopped already.  Could not load com.alibaba.druid.stat.JdbcConnectionStat$Entry.  The eventual following stack tr
ace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.java.lang.IllegalStateException
	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1813)
	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1771)
	at com.alibaba.druid.filter.stat.StatFilter.getConnectionInfo(StatFilter.java:607)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:220)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:142)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1423)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1477)
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1998)

- create connection error
java.lang.NoClassDefFoundError: com/alibaba/druid/stat/JdbcConnectionStat$Entry
	at com.alibaba.druid.filter.stat.StatFilter.getConnectionInfo(StatFilter.java:607)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:220)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:142)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1423)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1477)
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1998)
Caused by: java.lang.ClassNotFoundException: com.alibaba.druid.stat.JdbcConnectionStat$Entry
	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1928)
	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1771)
	... 6 more
Aug 12, 2019 10:47:23 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deployment of web application directory /opt/apache-tomcat-7.0.91/webapps/statusPublish has finished in 284,225 ms
Aug 12, 2019 10:47:23 AM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8081"]
Aug 12, 2019 10:47:23 AM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Aug 12, 2019 10:47:23 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 284265 ms

** Performance: ** projects that run in Tomcat and load XML have to wait a long time, and the result of waiting is the same error, the same result is tried many times, only occasionally successful startup, but also a few minutes to start successfully.
** reason: ** connects ORACLE server, the client wants to generate random key for client authentication, JDK default USES /dev/random, random USES blocking to generate random number, the generation speed is very slow, ORACLE server will actively reset, and in the alert. Log error.
solution:
edit $JAVA_HOME/jre/lib/security/Java security.
will securerandom source = file:/dev/random into three ways (try)
1, the file:/dev/urandom (urandom adopted the Yin plug type generated random Numbers, performance is very good, No timeout generated)
2, file:/dev/./urandom
3, file:/dev/… My virtual machine was originally the first one. The startup project didn’t work, but now I’ve switched to the second one and it works!!

Chef encountered an error attempting to create the client

[Size =small] When Using chef Bootstrap’s new client, I encountered the following problems:

# knife bootstrap 192.168.253.129-x root-p 123456 — sudo-vv

-vv prints out the DEBUG LOG

……

DEBUG: read 116 bytes

DEBUG: received packet nr 11 type 94 len 92

INFO: channel_data: 0 72b

192.168.253.129 Creating a new client identity for test02 using the validator key.

DEBUG: read 484 bytes

DEBUG: received packet nr 12 type 94 len 460

INFO: channel_data: 0 443b

192.168.253.129

192.168.253.129 = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

[b][color=red][color= red]192.168.253.129 Chef ritten error to create the client “test02”

192.168.253.129 [/ color] [/ color] [/ b] = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

192.168.253.129

192.168.253.129

[color=red][b]192.168.253.129 [2014-05-26T19:56:49-07:00] FATAL: Stacktrace dumped to /var/chef/cache/ chain-stacktrace.out

192.168.253.129 [2014-05-26 t19:56:49-07:00] FATAL: Errno::EHOSTUNREACH: No route to host-connect (2)[/b][/color]

DEBUG: read 140 bytes

DEBUG: received packet nr 13 type 98 len 44

INFO: channel_request: 0 exit-status false

……

sees No route to host-connect (2)

but it is possible to ping chef server from test02

check the network is ok

solution:

# service iptables stop

# service iptables save

clear the firewall Settings and rebootstrap.

[/size]

Windows libreoffice 6.3.5 installation error 1355 problem resolution

Prerequisite:
downloaded from https://zh-cn.libreoffice.org/ official website tsinghua mirror center (update 2020.2.21),
installation occurred during the installation of the following installation error, with solutions attached.
Problem 1.

Installation results in Errors 1335 “The cabinet file ‘libreoffice1.cab’ required for this Installation is corrupt and cannot be used”
Error 1335. CAB file required for this installation libreofficel.cab ‘has been damaged and cannot be used. It may indicate a network error, a CD-ROM error reading, or an error with this package.
2. Find solutions
https://ask.libreoffice.org/en/question/3281/installation-results-in-errors-1335-the-cabinet-file-libreoffice1cab-required-for-this-installation-is-corrupt-and-cannot-be-used-and-2350/
This one up here was shut down without understanding how the problem was solved. Right
In the blur feeling should be the problem of the installation package, so I want to change the installation package may be useful —
3. Solve
To official libreoffice (https://zh-cn.libreoffice.org/), no longer use tsinghua image download, to download, specific steps

appears below, that wait is downloading, don’t have to, such as the official super slow,
directly download it according to below mark operating

means
the picture from the preferred image download,
click waiting for download, may be a bit slow, about half an hour more…
Download the installation is ok ha. The next step is to use, explore your own…

Expected unqualified ID before numeric constant

Today, when the library was compiled, the problem emerged with unqualified-id before numeric Constant, as the variable is repeatedly defined, with the same name as the macro definition, and the following pattern:

a header file defines an interface body,

struct {

int Size;

}

then define the macro in another file as follows:

define Size

At this time will appear above error, really need to use the common custom naming principles, or really hard to check.

Today, when the library was compiled, the problem emerged with unqualified-id before numeric Constant, as the variable is repeatedly defined, with the same name as the macro definition, and the following pattern:
A header file defines an interface body,
The class XXXClass {
Const static int MAX_PATTERN_NUM = 1024;
}
 
Then define the macro in another file as follows:
# define MAX_PATTERN_NUM 100
 
This is where the above error occurs