Name node process is crashing few moments after restarting with the following exception   2017-03-07 11:54:15,997 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1013ms GC pool 'ConcurrentMarkSweep' had collection(s): count=1 time=1445ms 2017-03-07 11:54:17,877 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1229ms GC pool 'ConcurrentMarkSweep' had collection(s): count=1 time=1409ms 2017-03-07 11:54:19,913 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1535ms GC pool 'ConcurrentMarkSweep' had collection(s): count=1 time=1870ms 2017-03-07 11:54:23,297 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1266ms GC pool 'ConcurrentMarkSweep' had collection(s): count=1 time=1658ms 2017-03-07 11:54:26,528 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1382ms GC pool 'ConcurrentMarkSweep' had collection(s): count=1 time=1861ms 2017-03-07 11:54:29,996 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1345ms GC pool 'ConcurrentMarkSweep' had collection(s): count=1 time=1837ms 2017-03-07 11:54:34,016 INFO org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 1142ms GC pool 'ConcurrentMarkSweep' had collection(s): count=2 time=1640ms      A few days back, the machine got shut down forcefully due to power failure. getting this issue after that. Please suggest or let me know if any further details are required. ... View more

I have installed Cloudera Enterprise Data Hub Edition Trial 5.5.1 recently. After this I am getting following error while opening oozie web console :    type Exception report message Unable to compile class for JSP: description The server encountered an internal error that prevented it from fulfilling this request. exception org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: 1 in the generated java file The type java.io.ObjectInputStream cannot be resolved. It is indirectly referenced from required .class files Stacktrace: org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92) org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330) org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:460) org.apache.jasper.compiler.Compiler.compile(Compiler.java:356) org.apache.jasper.compiler.Compiler.compile(Compiler.java:334) org.apache.jasper.compiler.Compiler.compile(Compiler.java:321) org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:592) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260) javax.servlet.http.HttpServlet.service(HttpServlet.java:820) org.apache.oozie.servlet.AuthFilter$2.doFilter(AuthFilter.java:171) org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:589) org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:552) org.apache.oozie.servlet.AuthFilter.doFilter(AuthFilter.java:176) org.apache.oozie.servlet.HostnameFilter.doFilter(HostnameFilter.java:86)   note The full stack trace of the root cause is available in the Apache Tomcat/6.0.44 logs.   After googling a bit, I found out that it is coming after java8-upg 91. I have java8 upg-101 installed on my machine which came by default with this version of cloudera.      ... View more