Start this exception after the AS configuration simulator:
emulator: ERROR: x86 emulation currently requires hardware acceleration!
Because you need an Intel hardware Accelerator, check the three steps
1, check the Intel x86 Emulator Accelerator(HAXM installer) in SDK Tools is installed;
Go to the SDK \ Extras \ Intel \Hardware_Accelerated_Execution_Manager folder and double-click to install Intel HaXm-Android.exe.
if the installation is successful, just go to AS to reinstall the emulator. 
Error message: Syntax error, insert “Finally” to complete TryStatement
Syntax error, insert “Finally” to complete TryStatement
reason: there is an extra “try{” when copying the code
Caused by: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: no furthe
When starting the project today, this project used Elasticsearch service. This error was found in the background:
Under Caused by: io.net ty. Channel. AbstractChannel $AnnotatedConnectException: Connection refused: no further information:/127.0.0.1:9300
The error message prompts as follows:
The reason:
This project USES Elasticsearch search service. In the error message, elasticSearch.transport and other key information are shown. In fact, this error is caused by Elasticsearch service which failed to launch successfully.
Solutions:
Restart the Elasticsearch service (if it doesn’t work at one time, try shutting it down and restarting it again).
I rebooted it several times before It worked. Don’t lose heart
springboot : Failed to decode downloaded font 和 OTS parsing error
I have seen many people who have similar problems with me, but they have not solved my problems:
Failed to decode the listed font and OTS Parsing Error:
Trying to move the wOFF file to another static resource folder that can be loaded, it still cannot be loaded.
The browser opens access directly to the login page. The guess is that the static resource for the font is blocked.
Please refer to this:
https://stackoverflow.com/questions/34037051/spring-boot-font-awesome-ots-parsing-error-failed-to-convert
Pom upon & lt; exclude> And & lt; include>
pom add < nonFilteredFileExtensions>
As shown in figure
How to Fix:java.lang.NoClassDefFoundError: Failed resolution of: Lorg/apache/http/client/methods/HttpPost
on Android 9.0/p phone, flash back, the error information is as follows:
java.lang.NoClassDefFoundError: Failed resolution of: Lorg/apache/http/client/methods/HttpPost;
this is a bug in GooglePlay Services that you can fix by :
solution :
Add :
to the application tag of the manifest file, androidmanifest.xml
<uses-library android:name="org.apache.http.legacy" android:required="false" />as follows:
Item exception: failed to get the required ADT version number from the SDK
Eclipse import project error :
failed to get the required adt version number from the sdkeclipse appears failed to get the required ADT version number from the SDK:… .\tools\traceview.bat error and unable to open SDK manager or connect to phone.
The connection to adb is down, and a severe error has occured.
You must restart adb and Eclipse.
Please ensure that adb is correctly located at
'D:\Users\Android\sdk\platform-tools\adb.exe' and can be executed.
reason:
eclipse and Android studio SDK are separate and not Shared.
solution:
it would be nice if Android Studio and Eclispe introduced different SDK files respectively.
copy the SDK and reconfigure the SDK path for eclipse.
Project error – failed to find build tools revision 26.0.1
problem:
failed to find build tools revision 26.0.1reason:
build tools revision did not get
solution:
step 1:
tools -> android -> sdk manager-> SDK tools to see which versions are downloaded.
step 2:
File-> project structure -> app -> Property
select compile SDK version, build tools version is the downloaded version you just inquired.
step 3: appcompat-v7 should be consistent with the larger version of SDK tools.
compile 'com.android.support:appcompat-v7:25.3.1'