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https://issues.apache.org/jira/browse/HBASE-17940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15976100#comment-15976100
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stack commented on HBASE-17940:
-------------------------------
That issue is seven years old. Its statue of limitations expired long ago. You
can safely ignore any rationale that may have been used back then justifying
that change. Do as you see best [~Apache9]
> HMaster can not start due to Jasper related classes conflict
> ------------------------------------------------------------
>
> Key: HBASE-17940
> URL: https://issues.apache.org/jira/browse/HBASE-17940
> Project: HBase
> Issue Type: Bug
> Components: dependencies, pom
> Affects Versions: 2.0.0
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Blocker
> Fix For: 2.0.0
>
> Attachments: HBASE-17940.patch
>
>
> I got this
> {noformat}
> java.lang.RuntimeException: Failed construction of Master: class
> org.apache.hadoop.hbase.master.HMaster.
> at
> org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2692)
> at
> org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:235)
> at
> org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:139)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at
> org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:127)
> at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:2703)
> Caused by: java.lang.NoSuchFieldError: IS_SECURITY_ENABLED
> at
> org.apache.jasper.compiler.JspRuntimeContext.<init>(JspRuntimeContext.java:194)
> at org.apache.jasper.servlet.JspServlet.init(JspServlet.java:159)
> at
> org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:640)
> at
> org.eclipse.jetty.servlet.ServletHolder.initialize(ServletHolder.java:419)
> at
> org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:875)
> at
> org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:348)
> at
> org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1379)
> at
> org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1341)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:772)
> at
> org.eclipse.jetty.servlet.ServletContextHandler.doStart(ServletContextHandler.java:261)
> at
> org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:517)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)
> at
> org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
> at org.eclipse.jetty.server.Server.start(Server.java:405)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:106)
> at
> org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
> at org.eclipse.jetty.server.Server.doStart(Server.java:372)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> at org.apache.hadoop.hbase.http.HttpServer.start(HttpServer.java:969)
> at org.apache.hadoop.hbase.http.InfoServer.start(InfoServer.java:100)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.putUpWebUI(HRegionServer.java:1887)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.<init>(HRegionServer.java:620)
> at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:461)
> 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
> org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2685)
> ... 5 more
> {noformat}
> The problem is that, we have same classes in two jars,
> javax.servlet.jsp-2.3.2.jar and jasper-compiler-5.5.23.jar, such as
> org.apache.jasper.Constants and org.apache.jasper.compiler.JspRuntimeContext.
> Here seems for JspRuntimeContext we use the version from javax.servlet.jsp,
> but for Constants we use the version from jasper-compiler.
> javax.servlet.jsp is a transitive dependency from jetty jsp, and
> jasper-compiler is a dependency directly in our pom for hbase-server.
> We need to find a way to deal with it.
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