'log4j:ERROR LogMananger.repositorySelector was null'解决方法

本文介绍了解决在Eclipse中使用Tomcat6时遇到的重启错误问题,该错误涉及log4j的警告信息。通过在tomcat的配置文件中添加特定参数,可以避免类加载器引发的问题。
在Eclipse中,在 tomcat6中重新启动时出现错误信息:log4j:ERROR LogMananger.repositorySelector was null likely due to error in class reloading, using NOPLoggerRepository.

解决方法:
在tomcat的"conf/catalina.properties“文件中末尾追加一条:

org.apache.catalina.loader.WebappClassLoader.ENABLE_CLEAR_REFERENCES=false


保存退出,重启Eclipse,ok!!!


Process: com.niksoftware.snapseed, PID: 21483 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: duy: The exception was not handled due to missing onError handler in the subscribe() method call. Further reading: https://github.com/ReactiveX/RxJava/wiki/Error-Handling | java.lang.NullPointerException: items is null 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at eel.a(PG:9) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dwi.cB(PG:8) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at eco.run(PG:7) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dum.run(PG:3) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at android.os.Handler.handleCallback(Handler.java:959) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:100) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at android.os.Looper.loopOnce(Looper.java:282) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at android.os.Looper.loop(Looper.java:387) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:9500) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:600) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1005) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: Caused by: java.lang.NullPointerException: items is null 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dvv.a(PG:6) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dty.j(PG:3) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at aew.call(PG:282) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dze.u(PG:3) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dty.t(PG:13) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dzo.u(PG:10) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dty.t(PG:13) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at ebs.u(PG:13) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dty.t(PG:13) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at eag.u(PG:10) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dty.t(PG:13) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dzs.u(PG:9) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dty.t(PG:13) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at eag.u(PG:10) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dty.t(PG:13) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at ebt.q(PG:13) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dug.p(PG:13) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at eda.q(PG:43) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dug.p(PG:13) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at ecu.run(PG:3) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at dub.run(PG:10) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at eds.run(PG:14) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at eds.call(PG:1) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at java.util.concurrent.FutureTask.run(FutureTask.java:317) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:348) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1156) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:651) 07-18 13:37:50.822581 21483 21483 E AndroidRuntime: at java.lang.Thread.run(Thread.java:1119) 分析一下这个crash的原因
最新发布
08-22
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