[LENS-823] Fetching already fetched inmemory result set should not give 500

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: server
• Assignee: Deepak Barr
• Reporter: Amareshwari Sriramadasu
• Created: 15/Oct/15 04:28
• Updated: 21/May/17 11:53

Description

It fails with following exception right now :

15 Oct 2015 04:22:35 [90ca229a-7526-4a55-8f2b-fff2805fc45c] [Grizzly-worker(43)] WARN  org.glassfish.jersey.server.ServerRuntime$Responder - WebApplicationException cause:
org.apache.lens.server.api.error.LensException: INTERNAL_SERVER_ERROR
        at org.apache.lens.driver.jdbc.JDBCResultSet.hasNext(JDBCResultSet.java:323) ~[lens-driver-jdbc-2.4.1-inm-breakfix2.jar:2.4.1-inm-breakfix2]
        at org.apache.lens.server.api.driver.InMemoryResultSet.toQueryResult(InMemoryResultSet.java:80) ~[lens-server-api-2.4.1-inm-breakfix2.jar:2.4.1-inm-breakfix2]
        at org.apache.lens.server.api.driver.InMemoryResultSet.toQueryResult(InMemoryResultSet.java:33) ~[lens-server-api-2.4.1-inm-breakfix2.jar:2.4.1-inm-breakfix2]
        at org.apache.lens.server.query.QueryExecutionServiceImpl.fetchResultSet(QueryExecutionServiceImpl.java:2016) ~[classes/:na]
        at org.apache.lens.server.query.QueryServiceResource.getResultSet(QueryServiceResource.java:723) ~[classes/:na]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.7.0_67]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[na:1.7.0_67]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.7.0_67]
        at java.lang.reflect.Method.invoke(Method.java:606) ~[na:1.7.0_67]
        at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81) ~[jersey-server-2.3.1.jar:na]
        at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:151) ~[jersey-server-2.3.1.jar:na]
        at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:171) ~[jersey-server-2.3.1.jar:na]
        at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:195) ~[jersey-server-2.3.1.jar:na]
        at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:104) ~[jersey-server-2.3.1.jar:na]
        at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:353) ~[jersey-server-2.3.1.jar:na]
        at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:343) ~[jersey-server-2.3.1.jar:na]
        at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102) ~[jersey-server-2.3.1.jar:na]
        at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:255) ~[jersey-server-2.3.1.jar:na]
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271) [jersey-common-2.3.1.jar:na]
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267) [jersey-common-2.3.1.jar:na]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:315) [jersey-common-2.3.1.jar:na]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:297) [jersey-common-2.3.1.jar:na]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:267) [jersey-common-2.3.1.jar:na]
        at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:318) [jersey-common-2.3.1.jar:na]
        at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:235) [jersey-server-2.3.1.jar:na]
        at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:983) [jersey-server-2.3.1.jar:na]
        at org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.service(GrizzlyHttpContainer.java:330) [jersey-container-grizzly2-http-2.3.1.jar:na]
        at org.glassfish.grizzly.http.server.HttpHandler$1.run(HttpHandler.java:212) [grizzly-http-server-2.3.6.jar:2.3.6]
        at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:565) [grizzly-framework-2.3.6.jar:2.3.6]
        at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:545) [grizzly-framework-2.3.6.jar:2.3.6]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_67]
Caused by: java.sql.SQLException: You can't operate on a closed ResultSet!!!
        at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:118) ~[mchange-commons-java-0.2.9.jar:0.2.9]
        at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:77) ~[mchange-commons-java-0.2.9.jar:0.2.9]
        at com.mchange.v2.c3p0.impl.NewProxyResultSet.next(NewProxyResultSet.java:690) ~[c3p0-0.9.5.jar:0.9.5]
        at org.apache.lens.driver.jdbc.JDBCResultSet.hasNext(JDBCResultSet.java:317) ~[lens-driver-jdbc-2.4.1-inm-breakfix2.jar:2.4.1-inm-breakfix2]
        ... 30 common frames omitted
Caused by: java.lang.NullPointerException: null
        at com.mchange.v2.c3p0.impl.NewProxyResultSet.next(NewProxyResultSet.java:684) ~[c3p0-0.9.5.jar:0.9.5]
        ... 31 common frames omitted

Instead it should give 410 and say "Already fetched".