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Cloudera, BigData, Semantic IoT, Hadoop, NoSQL

Cloudera CDH/CDP 및 Hadoop EcoSystem, Semantic IoT등의 개발/운영 기술을 정리합니다. gooper@gooper.com로 문의 주세요.


halyard 1.3에서 rdf4j-server.war와 rdf4j-workbench.war를 tomcat의 webapps에 deploy한후 Repositories->new repository해서 새로운 repository를 생성한후 Explore->Namespaces메유를 조회시 java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell 오류가 발생할 수 있는데 이는 halyard가 hbase에 triple data를 저장하는데 필요한 hbase의 라이브러리를 인식히지 못해서 발생하는 문제다.

이를 해결하기 위해서 Tomcat의 bin 디렉토리에 setenv.sh파일을 만들어 아래의 내용을 넣고 권한을 755로 부여한후 tomcat를 다시 기동해주면 된다.


------------------setenv.sh내용----------

export CLASSPATH="$CATALINA_HOME/lib/servlet-api.jar:"`hadoop classpath`:`$HOME/hbase/bin/hbase classpath


------------------------------오류내용--------------------------------------

HTTP Status 500 - org.eclipse.rdf4j.repository.RepositoryException: <html><head><title>Apache Tomcat/7.0.78 - Error report</title><style><!--H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}HR {color : #525D76;}--></style> </head><body><h1>HTTP Status 500 - Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell</h1><HR size="1" noshade="noshade"><p><b>type</b> Exception report</p><p><b>message</b> <u>Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell</u></p><p><b>description</b> <u>The server encountered an internal error that prevented it from fulfilling this request.</u></p><p><b>exception</b> <pre>org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell

type Exception report

message org.eclipse.rdf4j.repository.RepositoryException: <html><head><title>Apache Tomcat/7.0.78 - Error report</title><style><!--H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}HR {color : #525D76;}--></style> </head><body><h1>HTTP Status 500 - Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell</h1><HR size="1" noshade="noshade"><p><b>type</b> Exception report</p><p><b>message</b> <u>Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell</u></p><p><b>description</b> <u>The server encountered an internal error that prevented it from fulfilling this request.</u></p><p><b>exception</b> <pre>org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: org.eclipse.rdf4j.repository.RepositoryException: <html><head><title>Apache Tomcat/7.0.78 - Error report</title><style><!--H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}HR {color : #525D76;}--></style> </head><body><h1>HTTP Status 500 - Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell</h1><HR size="1" noshade="noshade"><p><b>type</b> Exception report</p><p><b>message</b> <u>Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell</u></p><p><b>description</b> <u>The server encountered an internal error that prevented it from fulfilling this request.</u></p><p><b>exception</b> <pre>org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell
 org.springframework.web.servlet.DispatcherServlet.triggerAfterCompletionWithError(DispatcherServlet.java:1303)
 org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:977)
 org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
 org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
 org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
 org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
 org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
 com.github.ziplet.filter.compression.CompressingFilter.doFilter(CompressingFilter.java:300)
</pre></p><p><b>root cause</b> <pre>java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell
 com.msd.gin.halyard.sail.HBaseSailFactory.getSail(HBaseSailFactory.java:57)
 org.eclipse.rdf4j.repository.sail.config.SailRepositoryFactory.createSail(SailRepositoryFactory.java:94)
 org.eclipse.rdf4j.repository.sail.config.SailRepositoryFactory.createSailStack(SailRepositoryFactory.java:77)
 org.eclipse.rdf4j.repository.sail.config.SailRepositoryFactory.getRepository(SailRepositoryFactory.java:63)
 org.eclipse.rdf4j.repository.manager.LocalRepositoryManager.createRepositoryStack(LocalRepositoryManager.java:240)
 org.eclipse.rdf4j.repository.manager.LocalRepositoryManager.createRepository(LocalRepositoryManager.java:211)
 org.eclipse.rdf4j.repository.manager.RepositoryManager.getRepository(RepositoryManager.java:377)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor.setRequestAttributes(RepositoryInterceptor.java:111)
 org.eclipse.rdf4j.http.server.ServerInterceptor.preHandle(ServerInterceptor.java:34)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor.preHandle(RepositoryInterceptor.java:89)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor$$FastClassBySpringCGLIB$$7a1fdc31.invoke(&lt;generated&gt;)
 org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
 org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717)
 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
 org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)
 org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)
 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
 org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor$$EnhancerBySpringCGLIB$$50d6562f.preHandle(&lt;generated&gt;)
 org.springframework.web.servlet.HandlerExecutionChain.applyPreHandle(HandlerExecutionChain.java:134)
 org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:954)
 org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
 org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
 org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
 org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
 org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
 com.github.ziplet.filter.compression.CompressingFilter.doFilter(CompressingFilter.java:300)
</pre></p><p><b>root cause</b> <pre>java.lang.ClassNotFoundException: org.apache.hadoop.hbase.Cell
 org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1892)
 org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1735)
 com.msd.gin.halyard.sail.HBaseSailFactory.getSail(HBaseSailFactory.java:57)
 org.eclipse.rdf4j.repository.sail.config.SailRepositoryFactory.createSail(SailRepositoryFactory.java:94)
 org.eclipse.rdf4j.repository.sail.config.SailRepositoryFactory.createSailStack(SailRepositoryFactory.java:77)
 org.eclipse.rdf4j.repository.sail.config.SailRepositoryFactory.getRepository(SailRepositoryFactory.java:63)
 org.eclipse.rdf4j.repository.manager.LocalRepositoryManager.createRepositoryStack(LocalRepositoryManager.java:240)
 org.eclipse.rdf4j.repository.manager.LocalRepositoryManager.createRepository(LocalRepositoryManager.java:211)
 org.eclipse.rdf4j.repository.manager.RepositoryManager.getRepository(RepositoryManager.java:377)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor.setRequestAttributes(RepositoryInterceptor.java:111)
 org.eclipse.rdf4j.http.server.ServerInterceptor.preHandle(ServerInterceptor.java:34)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor.preHandle(RepositoryInterceptor.java:89)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor$$FastClassBySpringCGLIB$$7a1fdc31.invoke(&lt;generated&gt;)
 org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
 org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717)
 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
 org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)
 org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)
 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
 org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor$$EnhancerBySpringCGLIB$$50d6562f.preHandle(&lt;generated&gt;)
 org.springframework.web.servlet.HandlerExecutionChain.applyPreHandle(HandlerExecutionChain.java:134)
 org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:954)
 org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
 org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
 org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
 org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
 org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
 com.github.ziplet.filter.compression.CompressingFilter.doFilter(CompressingFilter.java:300)
</pre></p><p><b>note</b> <u>The full stack trace of the root cause is available in the Apache Tomcat/7.0.78 logs.</u></p><HR size="1" noshade="noshade"><h3>Apache Tomcat/7.0.78</h3></body></html>
 org.eclipse.rdf4j.workbench.proxy.WorkbenchServlet.handleRequest(WorkbenchServlet.java:158)
 org.eclipse.rdf4j.workbench.proxy.WorkbenchServlet.service(WorkbenchServlet.java:109)
 org.eclipse.rdf4j.workbench.proxy.WorkbenchGateway.service(WorkbenchGateway.java:120)
 org.eclipse.rdf4j.workbench.base.AbstractServlet.service(AbstractServlet.java:125)
 org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
 org.eclipse.rdf4j.workbench.proxy.CacheFilter.doFilter(CacheFilter.java:62)
 org.eclipse.rdf4j.workbench.proxy.CookieCacheControlFilter.doFilter(CookieCacheControlFilter.java:53)
root cause

org.eclipse.rdf4j.repository.RepositoryException: <html><head><title>Apache Tomcat/7.0.78 - Error report</title><style><!--H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}HR {color : #525D76;}--></style> </head><body><h1>HTTP Status 500 - Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell</h1><HR size="1" noshade="noshade"><p><b>type</b> Exception report</p><p><b>message</b> <u>Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell</u></p><p><b>description</b> <u>The server encountered an internal error that prevented it from fulfilling this request.</u></p><p><b>exception</b> <pre>org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell
 org.springframework.web.servlet.DispatcherServlet.triggerAfterCompletionWithError(DispatcherServlet.java:1303)
 org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:977)
 org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
 org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
 org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
 org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
 org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
 com.github.ziplet.filter.compression.CompressingFilter.doFilter(CompressingFilter.java:300)
</pre></p><p><b>root cause</b> <pre>java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell
 com.msd.gin.halyard.sail.HBaseSailFactory.getSail(HBaseSailFactory.java:57)
 org.eclipse.rdf4j.repository.sail.config.SailRepositoryFactory.createSail(SailRepositoryFactory.java:94)
 org.eclipse.rdf4j.repository.sail.config.SailRepositoryFactory.createSailStack(SailRepositoryFactory.java:77)
 org.eclipse.rdf4j.repository.sail.config.SailRepositoryFactory.getRepository(SailRepositoryFactory.java:63)
 org.eclipse.rdf4j.repository.manager.LocalRepositoryManager.createRepositoryStack(LocalRepositoryManager.java:240)
 org.eclipse.rdf4j.repository.manager.LocalRepositoryManager.createRepository(LocalRepositoryManager.java:211)
 org.eclipse.rdf4j.repository.manager.RepositoryManager.getRepository(RepositoryManager.java:377)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor.setRequestAttributes(RepositoryInterceptor.java:111)
 org.eclipse.rdf4j.http.server.ServerInterceptor.preHandle(ServerInterceptor.java:34)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor.preHandle(RepositoryInterceptor.java:89)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor$$FastClassBySpringCGLIB$$7a1fdc31.invoke(&lt;generated&gt;)
 org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
 org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717)
 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
 org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)
 org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)
 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
 org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor$$EnhancerBySpringCGLIB$$50d6562f.preHandle(&lt;generated&gt;)
 org.springframework.web.servlet.HandlerExecutionChain.applyPreHandle(HandlerExecutionChain.java:134)
 org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:954)
 org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
 org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
 org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
 org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
 org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
 com.github.ziplet.filter.compression.CompressingFilter.doFilter(CompressingFilter.java:300)
</pre></p><p><b>root cause</b> <pre>java.lang.ClassNotFoundException: org.apache.hadoop.hbase.Cell
 org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1892)
 org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1735)
 com.msd.gin.halyard.sail.HBaseSailFactory.getSail(HBaseSailFactory.java:57)
 org.eclipse.rdf4j.repository.sail.config.SailRepositoryFactory.createSail(SailRepositoryFactory.java:94)
 org.eclipse.rdf4j.repository.sail.config.SailRepositoryFactory.createSailStack(SailRepositoryFactory.java:77)
 org.eclipse.rdf4j.repository.sail.config.SailRepositoryFactory.getRepository(SailRepositoryFactory.java:63)
 org.eclipse.rdf4j.repository.manager.LocalRepositoryManager.createRepositoryStack(LocalRepositoryManager.java:240)
 org.eclipse.rdf4j.repository.manager.LocalRepositoryManager.createRepository(LocalRepositoryManager.java:211)
 org.eclipse.rdf4j.repository.manager.RepositoryManager.getRepository(RepositoryManager.java:377)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor.setRequestAttributes(RepositoryInterceptor.java:111)
 org.eclipse.rdf4j.http.server.ServerInterceptor.preHandle(ServerInterceptor.java:34)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor.preHandle(RepositoryInterceptor.java:89)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor$$FastClassBySpringCGLIB$$7a1fdc31.invoke(&lt;generated&gt;)
 org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
 org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717)
 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
 org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)
 org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)
 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
 org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653)
 org.eclipse.rdf4j.http.server.repository.RepositoryInterceptor$$EnhancerBySpringCGLIB$$50d6562f.preHandle(&lt;generated&gt;)
 org.springframework.web.servlet.HandlerExecutionChain.applyPreHandle(HandlerExecutionChain.java:134)
 org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:954)
 org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
 org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
 org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
 org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
 org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
 com.github.ziplet.filter.compression.CompressingFilter.doFilter(CompressingFilter.java:300)
</pre></p><p><b>note</b> <u>The full stack trace of the root cause is available in the Apache Tomcat/7.0.78 logs.</u></p><HR size="1" noshade="noshade"><h3>Apache Tomcat/7.0.78</h3></body></html>
 org.eclipse.rdf4j.http.client.SparqlSession.execute(SparqlSession.java:1132)
 org.eclipse.rdf4j.http.client.SparqlSession.executeOK(SparqlSession.java:1056)
 org.eclipse.rdf4j.http.client.SparqlSession.sendTupleQueryViaHttp(SparqlSession.java:831)
 org.eclipse.rdf4j.http.client.SparqlSession.getTupleQueryResult(SparqlSession.java:760)
 org.eclipse.rdf4j.http.client.SesameSession.getNamespaces(SesameSession.java:291)
 org.eclipse.rdf4j.http.client.SesameSession.getNamespaces(SesameSession.java:273)
 org.eclipse.rdf4j.repository.http.HTTPRepositoryConnection.getNamespaces(HTTPRepositoryConnection.java:798)
 org.eclipse.rdf4j.workbench.commands.NamespacesServlet.service(NamespacesServlet.java:57)
 org.eclipse.rdf4j.workbench.base.TransformationServlet.service(TransformationServlet.java:119)
 org.eclipse.rdf4j.workbench.base.TransformationServlet.service(TransformationServlet.java:99)
 org.eclipse.rdf4j.workbench.base.AbstractServlet.service(AbstractServlet.java:125)
 org.eclipse.rdf4j.workbench.proxy.ProxyRepositoryServlet.service(ProxyRepositoryServlet.java:109)
 org.eclipse.rdf4j.workbench.proxy.WorkbenchServlet.service(WorkbenchServlet.java:213)
 org.eclipse.rdf4j.workbench.proxy.WorkbenchServlet.handleRequest(WorkbenchServlet.java:141)
 org.eclipse.rdf4j.workbench.proxy.WorkbenchServlet.service(WorkbenchServlet.java:109)
 org.eclipse.rdf4j.workbench.proxy.WorkbenchGateway.service(WorkbenchGateway.java:120)
 org.eclipse.rdf4j.workbench.base.AbstractServlet.service(AbstractServlet.java:125)
 org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
 org.eclipse.rdf4j.workbench.proxy.CacheFilter.doFilter(CacheFilter.java:62)
 org.eclipse.rdf4j.workbench.proxy.CookieCacheControlFilter.doFilter(CookieCacheControlFilter.java:53)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.78 logs.

Apache Tomcat/7.0.78

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336 cassandra cluster 문제가 있는 node제거 하기(DN상태의 노드가 있으면 cassandra cluster 전체에 문제가 발생하므로 반드시 제거할것) 2017.06.21 3809
335 Not enough replica available for query at consistency QUORUM가 발생하는 경우 2017.06.21 4325
334 http://blog.naver.com... 2017.06.23 1900
333 elasticsearch 기동시 permission denied on key 'vm.max_map_count' 오류발생시 조치사항 2017.06.23 3203
332 solr 6.2에 한글 형태소 분석기(arirang 6.x) 적용 및 테스트 file 2017.06.27 5866
331 mysql에서 외부 디비를 커넥션할 경우 접속 속도가 느려질때 2017.06.30 5594
330 solr명령 실행시 "Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect" 오류발생 2017.06.30 3553
329 python test.py실행시 "ImportError: No module named pyspark" 혹은 "ImportError: No module named py4j.protocol"등의 오류 발생시 조치사항 2017.07.04 5297
328 halyard 1.3을 다른 서버로 이전하는 방법 2017.07.05 3671
» halyard 1.3의 rdf4j-server.war와 rdf4j-workbench.war를 tomcat deploy후 조회시 java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/Cell발생시 조치사항 2017.07.05 3382
326 halyard의 console스크립트에서 생성한 repository는 RDF4J Web Applications에서 공유가 되지 않는다. 2017.07.05 5058
325 schema.xml vs managed-schema 지정 사용하기 - 두개를 동시에 사용할 수는 없음 2017.07.09 4373
324 HBase write 성능 튜닝 file 2017.07.18 2778
323 HBase 설정 최적화하기(VCNC) file 2017.07.18 3254
322 Current heap configuration for MemStore and BlockCache exceeds the threshold required for successful cluster operation 2017.07.18 3752
321 갑자기 DataNode가 java.io.IOException: Premature EOF from inputStream를 반복적으로 발생시키다가 java.lang.OutOfMemoryError: Java heap space를 내면서 죽는 경우 조치방법 2017.07.19 5465
320 9대가 hbase cluster로 구성된 서버에서 테스트 data를 halyard에 적재하고 테스트 하는 방법및 절차 2017.07.21 4964
319 Core with name 'xx_shard4_replica1' already exists. 발생시 조치사항 2017.07.22 3148
318 LUBM 데이타 생성구문 2017.07.24 7653
317 jena/fuseki 3.4.0 설치 2017.07.25 4316
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