error message
ImportError: Failed to import any qt binding
complete error message:
Traceback (most recent call last):
File "/home/xovee/Desktop/codes/www20/plot/cascade_plot.py", line 1, in <module>
import matplotlib.pyplot as plt
File "/home/xovee/miniconda3/envs/tf-2.0-a0/lib/python3.6/site-packages/matplotlib/pyplot.py", line 2355, in <module>
switch_backend(rcParams["backend"])
File "/home/xovee/miniconda3/envs/tf-2.0-a0/lib/python3.6/site-packages/matplotlib/pyplot.py", line 221, in switch_backend
backend_mod = importlib.import_module(backend_name)
File "/home/xovee/miniconda3/envs/tf-2.0-a0/lib/python3.6/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "/home/xovee/miniconda3/envs/tf-2.0-a0/lib/python3.6/site-packages/matplotlib/backends/backend_qt4agg.py", line 5, in <module>
from .backend_qt5agg import (
File "/home/xovee/miniconda3/envs/tf-2.0-a0/lib/python3.6/site-packages/matplotlib/backends/backend_qt5agg.py", line 11, in <module>
from .backend_qt5 import (
File "/home/xovee/miniconda3/envs/tf-2.0-a0/lib/python3.6/site-packages/matplotlib/backends/backend_qt5.py", line 15, in <module>
import matplotlib.backends.qt_editor.figureoptions as figureoptions
File "/home/xovee/miniconda3/envs/tf-2.0-a0/lib/python3.6/site-packages/matplotlib/backends/qt_editor/figureoptions.py", line 13, in <module>
from matplotlib.backends.qt_compat import QtGui
File "/home/xovee/miniconda3/envs/tf-2.0-a0/lib/python3.6/site-packages/matplotlib/backends/qt_compat.py", line 158, in <module>
raise ImportError("Failed to import any qt binding")
ImportError: Failed to import any qt binding
environment
- Ubuntu 18.4 LTS
- Python 3.6
- Matplotlib 3.1.1
solution
pip install PyQt5
<标题>引用
李
<> Foad。(2018年11月22日)。导入任何qt绑定、Python – Tensorflow失败。李从https://stackoverflow.com/questions/52346254/importerror-failed-to-import-any-qt-binding-python-tensorflow获取
solution
pip install PyQt5
<标题>引用
李
- <> Foad。(2018年11月22日)。导入任何qt绑定、Python – Tensorflow失败。李从https://stackoverflow.com/questions/52346254/importerror-failed-to-import-any-qt-binding-python-tensorflow获取
codeblocks error Tried to Run compiler executable ‘C:\MinGW/bin/mingw32-gcc.exe’,but fail
click Settings — toolchain executables — auto-detect
if you can’t find it, you might accidentally delete it, uninstall it and reinstall it.
Failed to instantiate org.mybatis.spring.SqlSessionTemplate Constructor threw exception
2020-05-26 17:17:44.455 ERROR 752 --- [main] o.s.b.SpringApplication 815 : Application startup failed org.springframework.beans.factory.Bean
CreationException: Error creating bean with name 'xxxMapperScannerConfigurer': Cannot create inner bean 'SqlSessionTemplate' of type [org.mybati
s.spring.SqlSessionTemplate] while setting bean property 'sqlSessionTemplate'; nested exception is org.springframework.beans.factory.BeanCreationException: E
rror creating bean with name 'SqlSessionTemplate#1': Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanIns
tantiationException: Failed to instantiate [org.mybatis.spring.SqlSessionTemplate]: Constructor threw exception; nested exception is java.lang.NullPointerException
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:313)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:122)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1531)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1276)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
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:115)
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:686)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:524)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:737)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:370)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:314)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1162)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1151)
at com.xxx.xxx.recall.rpc.Main.main(Main.java:35)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:87)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:50)
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:51)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'SqlSessionTemplate#1': Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.mybatis.spring.SqlSessionTemplate]: Constructor threw exception; nested exception is java.lang.NullPointerException
...skipping...
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1162)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1151)
at com.xxx.xxx.recall.rpc.Main.main(Main.java:35)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:87)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:50)
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:51)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'SqlSessionTemplate#1': Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.mybatis.spring.SqlSessionTemplate]: Constructor threw exception; nested exception is java.lang.NullPointerException
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:279)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1193)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1095)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:299)
... 26 more
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.mybatis.spring.SqlSessionTemplate]: Constructor threw exception; nested exception is java.lang.NullPointerException
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:154)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:122)
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:271)
... 31 more
Caused by: java.lang.NullPointerException
at org.mybatis.spring.SqlSessionTemplate.<init>(SqlSessionTemplate.java:94)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:142)
... 33 more
reason:
database JDBC link failed, check whether the user name and password are correct, I here because the password copy was wrong, resulting in.
IDEA报Unable to save settings: Failed to save settings. Please restart IntelliJ IDEA
IDEA Failed to save Settings. Please restart IntelliJ IDEA
said the solution is to uninstall a “identifier Highlighter” plug-in, but my IDEA does not have this plug-in.
after Google finally found a solution.
solution
first make sure you have read/write access to the config file
if the permissions are okay and the error is still reported, move on to the next step.
view log file
find the cause of the error, which may vary from person to person. Therefore, the solution is different.
2017-11-15 17:20:55,720 [ 196716] WARN - mponents.impl.stores.StoreUtil - Save settings failed
java.lang.RuntimeException: java.lang.Exception: Cannot get RunManager component state
at com.intellij.util.ExceptionUtil.rethrow(ExceptionUtil.java:179)
at com.intellij.util.lang.CompoundRuntimeException.throwIfNotEmpty(CompoundRuntimeException.java:148)
at com.intellij.configurationStore.ComponentStoreImpl.save(ComponentStoreImpl.kt:199)
at com.intellij.openapi.components.impl.stores.StoreUtil.save(StoreUtil.java:49)
at com.intellij.openapi.project.impl.ProjectImpl.save(ProjectImpl.java:349)
at com.intellij.openapi.components.impl.stores.StoreUtil.saveDocumentsAndProjectsAndApp(StoreUtil.java:126)
at com.intellij.openapi.application.impl.ApplicationImpl.saveAll(ApplicationImpl.java:1437)
at com.intellij.ide.SaveAndSyncHandlerImpl.saveProjectsAndDocuments(SaveAndSyncHandlerImpl.java:126)
at com.intellij.ide.SaveAndSyncHandlerImpl$2.a(SaveAndSyncHandlerImpl.java:94)
at com.intellij.openapi.application.TransactionGuardImpl.a(TransactionGuardImpl.java:86)
at com.intellij.openapi.application.TransactionGuardImpl.a(TransactionGuardImpl.java:109)
at com.intellij.openapi.application.TransactionGuardImpl.submitTransaction(TransactionGuardImpl.java:118)
at com.intellij.openapi.application.TransactionGuard.submitTransaction(TransactionGuard.java:122)
at com.intellij.ide.SaveAndSyncHandlerImpl$2.onFrameDeactivated(SaveAndSyncHandlerImpl.java:92)
at com.intellij.ide.FrameStateManagerImpl.a(FrameStateManagerImpl.java:84)
at com.intellij.ide.FrameStateManagerImpl.access$500(FrameStateManagerImpl.java:32)
at com.intellij.ide.FrameStateManagerImpl$2.a(FrameStateManagerImpl.java:70)
at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:246)
at com.intellij.util.Alarm$Request.runSafely(Alarm.java:417)
at com.intellij.util.Alarm$Request.access$700(Alarm.java:344)
at com.intellij.util.Alarm$Request$1.run(Alarm.java:384)
at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:314)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.a(LaterInvocator.java:416)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:399)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:762)
at java.awt.EventQueue.access$500(EventQueue.java:98)
at java.awt.EventQueue$3.run(EventQueue.java:715)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:732)
at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:821)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:649)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:365)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Caused by: java.lang.Exception: Cannot get RunManager component state
at com.intellij.configurationStore.ComponentStoreImpl.save(ComponentStoreImpl.kt:166)
... 38 more
Caused by: java.lang.RuntimeException: Cannot save scheme workspace/Jetty Server: jetty (level: WORKSPACE)
at com.intellij.configurationStore.SchemeManagerImpl.save(SchemeManagerImpl.kt:535)
at com.intellij.configurationStore.Scheme_implKt.save(scheme-impl.kt:154)
at com.intellij.execution.impl.RunManagerImpl.getState(RunManagerImpl.kt:500)
at com.intellij.execution.impl.RunManagerImpl.getState(RunManagerImpl.kt:63)
at com.intellij.configurationStore.ComponentStoreImpl.a(ComponentStoreImpl.kt:227)
at com.intellij.configurationStore.ComponentStoreImpl.save(ComponentStoreImpl.kt:159)
... 38 moreI found this sentence:
under Caused by: Java. Lang. RuntimeException: always save scheme workspace/Jetty Server: Jetty (level: workspace)
is my jetty configuration problem because I don't need jetty, so I temporarily removed the jetty related configuration.
problem solved, no more annoying prompts.
Exception in thread “main“ java.lang.ClassCastException: com.sun.proxy.$Proxy8 cannot be cast to XXX
:
note that the following two errors may be caused by not properly configuring the values of proxy-target-class:
error 1 : No qualifying bean of type ‘com. PJH. Service. Imp. ServiceImp’ available
error : The Exception in the thread “main” Java. Lang. ClassCastException: com. Sun. Proxy. $Proxy8 always be cast to XXX — — — — — — — dynamic proxy (proxy – target – the meaning of the class attribute)
this means roughly : no type is’ com. PJH. Service. Imp. ServiceImp “qualified bean available proxy: this is caused by not configuring proxy-target-class I use this code for:
H2> why?
proxy-target-class has two values: true/false
determines whether a proxy is created based on the interface or based on the class .
if the proxy-target-class attribute value is set to true, then the class-based proxy will come into play (in which case the cglib library is required). If the proxy-target-class attribute value is set to false or this property is omitted, the standard JDK interface-based proxy will come into effect.
statement : serviceImp is to implement the service interface is the parent of the
serviceImp bean1 = (serviceImp) classPathXmlApplicationContext. GetBean (serviceImp. Class);
and serviceImp is a class, not an interface
, but I did not configure proxy-target-class attribute when I was woven in, the default is proxy-target-class=false, this is based on the interface proxy, so the error is
, which is the content of the error : No type is’ com. PJH. Service. Imp. ServiceImp “qualified bean available <aop:config>
<aop:pointcut id="txPointcut" expression="execution(* com.pjh.service.Imp.serviceImp.*(..))"/>
<aop:advisor advice-ref="txAdvice" pointcut-ref="txPointcut"/>
</aop:config>
solution
when I change the value of the code’s proxy-target-class to true, I will not report an error, that is, I will change the class-based proxy
<aop:config proxy-target-class="true">
<aop:pointcut id="txPointcut" expression="execution(* com.pjh.service.Imp.serviceImp.*(..))"/>
<aop:advisor advice-ref="txAdvice" pointcut-ref="txPointcut"/>
</aop:config>
To change the passed parameters to interface, there is no need to add proxy-target-class, because the default is false, which is based on the interface proxy
declaration : serivce is the parent class of serviceImp is an interface
service bean1 =(service) classPathXmlApplicationContext.getBean(service.class);
above is the error encountered today and its solution, if there is help, please pay attention to thumb up, this is the greatest support for bloggers, I will often update my study notes and problems encountered
