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1. 正常的 IDEA build 日志

Executing pre-compile tasks...
Loading Ant configuration...
Running Ant tasks...
Running 'before' tasks
Checking sources
Copying resources... [user]
Parsing java… [user]
java: JPS incremental annotation processing is disabled. Compilation results on partial recompilation may be inaccurate. Use build process "jps.track.ap.dependencies" VM flag to enable/disable incremental annotation processing environment.
Writing classes… [user]
Checking dependencies… [user]
Dependency analysis found 0 affected files
Updating dependency information… [user]
Adding @NotNull assertions… [user]
Adding pattern assertions… [user]
Adding the Threading Model assertions… [user]
Running 'after' tasks
javac 1.8.0_333 was used to compile java sources
Finished, saving caches…
Executing post-compile tasks...
Loading Ant configuration...
Running Ant tasks...
Synchronizing output directories...
2022/10/13, 10:04 AM - Build completed successfully with 2 warnings in 5 sec, 563 ms

2. 编译工具内存不足日志 （内存从小变大）

2.1. 干脆无法启动

2.2. Ant 任务执行报错

Executing pre-compile tasks...
Loading Ant configuration...
Running Ant tasks...
Internal error (java.lang.NullPointerException): null
java.lang.NullPointerExceptionat com.intellij.util.containers.hash.LinkedHashMap$Entry.access$200(LinkedHashMap.java:283)at com.intellij.util.containers.hash.LinkedHashMap.doRemoveEldestEntry(LinkedHashMap.java:137)at com.intellij.util.io.FilePageCache.ensureSize(FilePageCache.java:218)at com.intellij.util.io.FilePageCache.get(FilePageCache.java:186)at com.intellij.util.io.PagedFileStorage.getBufferWrapper(PagedFileStorage.java:370)at com.intellij.util.io.PagedFileStorage.getBuffer(PagedFileStorage.java:345)at com.intellij.util.io.PagedFileStorage.put(PagedFileStorage.java:246)at com.intellij.util.io.PagedFileStorage.fillWithZeros(PagedFileStorage.java:321)at com.intellij.util.io.PagedFileStorage.resize(PagedFileStorage.java:295)at com.intellij.util.io.ResizeableMappedFile.expand(ResizeableMappedFile.java:120)at com.intellij.util.io.ResizeableMappedFile.ensureSize(ResizeableMappedFile.java:89)at com.intellij.util.io.ResizeableMappedFile.putInt(ResizeableMappedFile.java:210)at com.intellij.util.io.PersistentEnumeratorBase.markDirty(PersistentEnumeratorBase.java:576)at com.intellij.util.io.PersistentEnumeratorBase.<init>(PersistentEnumeratorBase.java:143)at com.intellij.util.io.PersistentBTreeEnumerator.<init>(PersistentBTreeEnumerator.java:96)at com.intellij.util.io.PersistentEnumerator.createDefaultEnumerator(PersistentEnumerator.java:67)at com.intellij.util.io.PersistentMapImpl.<init>(PersistentMapImpl.java:136)at com.intellij.util.io.PersistentMapBuilder.buildImplementation(PersistentMapBuilder.java:62)at com.intellij.util.io.PersistentMapBuilder.build(PersistentMapBuilder.java:44)at com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:39)at com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:54)at org.jetbrains.jps.incremental.storage.AbstractStateStorage.createMap(AbstractStateStorage.java:116)at org.jetbrains.jps.incremental.storage.AbstractStateStorage.<init>(AbstractStateStorage.java:29)at org.jetbrains.jps.incremental.storage.FileTimestampStorage.<init>(FileTimestampStorage.java:27)at org.jetbrains.jps.incremental.storage.ProjectStamps.<init>(ProjectStamps.java:42)at org.jetbrains.jps.cmdline.BuildRunner.load(BuildRunner.java:102)at org.jetbrains.jps.cmdline.BuildSession.runBuild(BuildSession.java:324)at org.jetbrains.jps.cmdline.BuildSession.run(BuildSession.java:175)at org.jetbrains.jps.cmdline.BuildMain$MyMessageHandler.lambda$channelRead0$0(BuildMain.java:218)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)at java.lang.Thread.run(Thread.java:750)
Executing post-compile tasks...
Loading Ant configuration...
Running Ant tasks...
Synchronizing output directories...
2022/10/13, 9:51 AM - Build completed with 1 error and 0 warnings in 1 sec, 582 ms

2.3. 内存溢出：超出 GC 上限

Executing pre-compile tasks...
Loading Ant configuration...
Running Ant tasks...
build: Project rebuild forced: Storage version updated, file = /Users/zxguan/Library/Caches/JetBrains/IntelliJIdea2022.1/compile-server/springcloud2_9578806c/timestamps/data
Cleaning output directories…
Running 'before' tasks
Checking sources
Copying resources... [user]
Parsing java… [user]
java: JPS incremental annotation processing is disabled. Compilation results on partial recompilation may be inaccurate. Use build process "jps.track.ap.dependencies" VM flag to enable/disable incremental annotation processing environment.
java: java.lang.OutOfMemoryError: GC overhead limit exceeded
java: java.lang.OutOfMemoryError: GC overhead limit exceeded
Checking dependencies… [user]

2.4. 内存溢出：超出 GC 上限，编译报错

Executing pre-compile tasks...
Loading Ant configuration...
Running Ant tasks...
Running 'before' tasks
Checking sources
Copying resources... [user]
Parsing java… [user]
java: JPS incremental annotation processing is disabled. Compilation results on partial recompilation may be inaccurate. Use build process "jps.track.ap.dependencies" VM flag to enable/disable incremental annotation processing environment.
java: 系统资源不足。
java: 有关详细信息，请参阅以下堆栈跟踪。
java: java.lang.OutOfMemoryError: GC overhead limit exceeded
java:   at com.sun.tools.javac.util.List.of(List.java:135)
java:   at com.sun.tools.javac.util.List.append(List.java:272)
java:   at com.sun.tools.javac.comp.Resolve$MethodResolutionContext.addApplicableCandidate(Resolve.java:4338)
java:   at ......
java:   at ......
java: Compilation failed: internal java compiler error
Checking dependencies… [user]
Dependency analysis found 0 affected files
Errors occurred while compiling module 'user'
javac 1.8.0_333 was used to compile java sources
Finished, saving caches…
Executing post-compile tasks...
Loading Ant configuration...
Running Ant tasks...
Synchronizing output directories...
2022/10/13, 9:55 AM - Build completed with 2 errors and 1 warning in 12 sec, 377 ms

2.5. 内存溢出： 堆空间

Executing pre-compile tasks...
Loading Ant configuration...
Running Ant tasks...
Running 'before' tasks
Checking sources
Copying resources... [user]
Parsing java… [user]
java: JPS incremental annotation processing is disabled. Compilation results on partial recompilation may be inaccurate. Use build process "jps.track.ap.dependencies" VM flag to enable/disable incremental annotation processing environment.
java: java.lang.OutOfMemoryError: Java heap space
java: java.lang.OutOfMemoryError: Java heap space
Checking dependencies… [user]
Dependency analysis found 0 affected files
Errors occurred while compiling module 'user'
javac 1.8.0_333 was used to compile java sources
Finished, saving caches…
Executing post-compile tasks...
Loading Ant configuration...
Running Ant tasks...
Synchronizing output directories...
2022/10/13, 9:55 AM - Build completed with 2 errors and 1 warning in 12 sec, 377 ms

2.6. 内存溢出： 内存不足

Executing pre-compile tasks...
Loading Ant configuration...
Running Ant tasks...
Running 'before' tasks
Checking sources
Copying resources... [user]
Parsing java… [user]
java: JPS incremental annotation processing is disabled. Compilation results on partial recompilation may be inaccurate. Use build process "jps.track.ap.dependencies" VM flag to enable/disable incremental annotation processing environment.
java: 系统资源不足。
java: 有关详细信息，请参阅以下堆栈跟踪。
java:   at ......
java:   at ......
java:java.lang.OutOfMemoryError: insufficient memory
Checking dependencies… [user]
Dependency analysis found 0 affected files
Errors occurred while compiling module 'user'
javac 1.8.0_333 was used to compile java sources
Finished, saving caches…
Executing post-compile tasks...
Loading Ant configuration...
Running Ant tasks...
Synchronizing output directories...
2022/10/13, 9:55 AM - Build completed with 2 errors and 1 warning in 12 sec, 377 ms

解决方案

调大 IDEA 编译内存大小，File -> Settings -> Build, Execution, Deployment -> Compiler -> Shared build process heap size