jnotify监控linux系统,jnotify linux使用记录

梁丘亦

2023-12-01

今天使用jnotify，遇到了一些问题记录下

程序启动

java.lang.UnsatisfiedLinkError: no jnotify in java.library.path

2019-04-16 17:56:11,684 [localhost-startStop-1] ERROR org.apache.catalina.core.ContainerBase.[Tomcat].[localhost].[/] - Exception sending context initialized event to listener instance of class [com.groupds.cdr.provider.extract.file.monitor.listener.ContextListener]

java.lang.UnsatisfiedLinkError: no jnotify in java.library.path

at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867)

at java.lang.Runtime.loadLibrary0(Runtime.java:870)

at java.lang.System.loadLibrary(System.java:1122)

at net.contentobjects.jnotify.linux.JNotify_linux.(Unknown Source)

at net.contentobjects.jnotify.linux.JNotifyAdapterLinux.(Unknown Source)

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 java.lang.Class.newInstance(Class.java:442)

at net.contentobjects.jnotify.JNotify.(Unknown Source)

at com.groupds.cdr.provider.extract.file.monitor.listener.ContextListener.monitor(ContextListener.java:79)

at com.groupds.cdr.provider.extract.file.monitor.listener.ContextListener.contextInitialized(ContextListener.java:44)

at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4790)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5256)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1421)

at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1411)

at java.util.concurrent.FutureTask.run(FutureTask.java:266)

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:748)

这是没有指定jnotify library 需在启动脚本加 -Djava.library.path=. (-Djava.library.path=/monitor/jnotify/) jnotify路径

libjnotify.so 这个要根据自己的系统选择对应位数的文件不然会报这个错，默认32位，修改吧64位的替换掉外面的

2019-04-16 18:02:34,577 [localhost-startStop-1] ERROR org.apache.catalina.core.ContainerBase.[Tomcat].[localhost].[/] - Exception sending context initialized event to listener instance of

java.lang.UnsatisfiedLinkError: /monitor/jnotify/libjnotify.so: /monitor/jnotify/libjnotify.so: 错误 ELF 类: ELFCLASS32 (Possible cause: architecture word width mismatch)

at java.lang.ClassLoader$NativeLibrary.load(Native Method)

at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1941)

at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1857)