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https://issues.apache.org/jira/browse/ASTERIXDB-1426?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Abdullah Alamoudi resolved ASTERIXDB-1426.
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Resolution: Fixed
> NPE on Drop Feed if Exists
> --------------------------
>
> Key: ASTERIXDB-1426
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-1426
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: ING - Ingestion
> Reporter: Murtadha Hubail
> Assignee: Abdullah Alamoudi
> Labels: soon
>
> If a feed doesn't exist and a "drop feed <name> if exists" is executed, a NPE
> is thrown.
> To reproduce the issue, run the following statements:
> drop dataverse test if exists;
> create dataverse test;
> use dataverse test;
> drop feed test_feed if exists;
> Here is the stacktrace:
> java.lang.NullPointerException
> at
> org.apache.asterix.app.external.FeedOperations.buildRemoveFeedStorageJob(FeedOperations.java:264)
> at
> org.apache.asterix.aql.translator.QueryTranslator.handleDropFeedStatement(QueryTranslator.java:2103)
> at
> org.apache.asterix.aql.translator.QueryTranslator.compileAndExecute(QueryTranslator.java:358)
> at
> org.apache.asterix.aql.translator.QueryTranslator.compileAndExecute(QueryTranslator.java:254)
> at
> org.apache.asterix.api.http.servlet.APIServlet.doPost(APIServlet.java:148)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> at
> org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:546)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:483)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:228)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:956)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:411)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:188)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:891)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:114)
> at org.eclipse.jetty.server.Server.handle(Server.java:353)
> at
> org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:598)
> at
> org.eclipse.jetty.server.HttpConnection$RequestHandler.content(HttpConnection.java:1076)
> at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:805)
> at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:218)
> at
> org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:427)
> at
> org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:510)
> at
> org.eclipse.jetty.io.nio.SelectChannelEndPoint.access$000(SelectChannelEndPoint.java:34)
> at
> org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:450)
> at java.lang.Thread.run(Thread.java:745)
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