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我一直在研究Java Jersey REST风格的Web应用程序，一切都很顺利，直到我再次编译并得到以下编译器错误。Intellij 14说“内部缓存已损坏或格式过时”？
我google了这个问题，许多人建议做File->Invalidate Caches/Restart...，但这没有奏效。
我也尝试手动删除Mac OS X目录中的文件：/Libary/Caches/IntellijIdea14。这也没有奏效。
有没有人曾经经历过这个？我非常困惑，为什么这个错误来了，究竟是什么导致了它。这肯定会延误我的发展！
堆栈跟踪：
Information:Internal caches are corrupted or have outdated format, forcing project rebuild: java.io.FileNotFoundException: /Users/grantmcgovern/Dropbox/Developer/Projects/1834Software/GymAPI/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/target/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/target/classes/target/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/.idea/libraries/Maven__org_glassfish_jersey_test_framework_providers_jersey_test_framework_provider_grizzly2_2_17.xml (File name too long)
Information:4/5/15, 10:39 PM - Compilation completed with 1 error and 0 warnings in 29 sec
Error:Internal error: (java.io.FileNotFoundException) /Users/grantmcgovern/Dropbox/Developer/Projects/1834Software/GymAPI/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/target/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/target/classes/target/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/.idea/libraries/Maven__org_glassfish_jersey_test_framework_providers_jersey_test_framework_provider_grizzly2_2_17.xml (File name too long)
java.io.FileNotFoundException: /Users/grantmcgovern/Dropbox/Developer/Projects/1834Software/GymAPI/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/target/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/target/classes/target/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/out/artifacts/GymAPI_war_exploded/WEB-INF/classes/.idea/libraries/Maven__org_glassfish_jersey_test_framework_providers_jersey_test_framework_provider_grizzly2_2_17.xml (File name too long)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.<init>(FileOutputStream.java:221)
at java.io.FileOutputStream.<init>(FileOutputStream.java:171)
at com.intellij.openapi.util.io.FileUtil.openOutputStream(FileUtil.java:508)
at com.intellij.openapi.util.io.FileUtil.performCopy(FileUtil.java:460)
at com.intellij.openapi.util.io.FileUtil.copyContent(FileUtil.java:454)
at org.jetbrains.jps.incremental.artifacts.instructions.FilterCopyHandler.copyFile(FilterCopyHandler.java:40)
at org.jetbrains.jps.incremental.artifacts.instructions.FileBasedArtifactRootDescriptor.copyFromRoot(FileBasedArtifactRootDescriptor.java:100)
at org.jetbrains.jps.incremental.artifacts.IncArtifactBuilder.build(IncArtifactBuilder.java:159)
at org.jetbrains.jps.incremental.artifacts.IncArtifactBuilder.build(IncArtifactBuilder.java:50)
at org.jetbrains.jps.incremental.IncProjectBuilder.buildTarget(IncProjectBuilder.java:855)
at org.jetbrains.jps.incremental.IncProjectBuilder.runBuildersForChunk(IncProjectBuilder.java:836)
at org.jetbrains.jps.incremental.IncProjectBuilder.buildTargetsChunk(IncProjectBuilder.java:894)
at org.jetbrains.jps.incremental.IncProjectBuilder.buildChunkIfAffected(IncProjectBuilder.java:789)
at org.jetbrains.jps.incremental.IncProjectBuilder.buildChunks(IncProjectBuilder.java:612)
at org.jetbrains.jps.incremental.IncProjectBuilder.runBuild(IncProjectBuilder.java:352)
at org.jetbrains.jps.incremental.IncProjectBuilder.build(IncProjectBuilder.java:191)
at org.jetbrains.jps.cmdline.BuildRunner.runBuild(BuildRunner.java:137)
at org.jetbrains.jps.cmdline.BuildSession.runBuild(BuildSession.java:289)
at org.jetbrains.jps.cmdline.BuildSession.run(BuildSession.java:124)
at org.jetbrains.jps.cmdline.BuildMain$MyMessageHandler$1.run(BuildMain.java:238)
at org.jetbrains.jps.service.impl.SharedThreadPoolImpl$1.run(SharedThreadPoolImpl.java:41)
at java.util.concurrent.Executors$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)