java.lang.NullPointerException: change 503 not found in ReviewDb

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Take a look at this blog post on how to set up Grid2 https://goo.gl/rxzbE6. A user related (in the email group on the source) that using older selenium libs solves this exception.

Solutions on the web

via Google Groups by Ashwini T R, 6 months ago
change 503 not found in ReviewDb
via Stack Overflow by Zhang Chun
, 1 year ago
via GitHub by anhdenday
, 2 years ago
URI template of the newly created target must not be null.
via GitHub by anhdenday
, 1 year ago
URI template of the newly created target must not be null.
via Stack Overflow by Jordi
, 8 months ago
java.lang.NullPointerException: change 503 not found in ReviewDb
at com.google.gerrit.server.notedb.ChangeNotes$Factory.loadChangeFromDb(ChangeNotes.java:157)
at com.google.gerrit.server.notedb.ChangeNotes$Factory.create(ChangeNotes.java:170)
at com.google.gerrit.server.query.change.ChangeData.notes(ChangeData.java:759)
at com.google.gerrit.server.query.change.ChangeData.reviewers(ChangeData.java:932)
at com.google.gerrit.server.project.ChangeControl.isReviewer(ChangeControl.java:364)
at com.google.gerrit.server.project.ChangeControl.isDraftVisible(ChangeControl.java:445)
at com.google.gerrit.server.query.change.ChangeIsVisibleToPredicate.match(ChangeIsVisibleToPredicate.java:67)
at com.google.gerrit.server.query.change.ChangeIsVisibleToPredicate.match(ChangeIsVisibleToPredicate.java:27)
at com.google.gerrit.server.query.AndSource.match(AndSource.java:147)
at com.google.gerrit.server.query.AndSource.readImpl(AndSource.java:101)
at com.google.gerrit.server.query.AndSource.read(AndSource.java:85)
at com.google.gerrit.server.query.QueryProcessor.query(QueryProcessor.java:191)
at com.google.gerrit.server.query.QueryProcessor.query(QueryProcessor.java:139)
at com.google.gerrit.server.query.change.QueryChanges.query(QueryChanges.java:123)
at com.google.gerrit.server.query.change.QueryChanges.apply(QueryChanges.java:94)
at com.google.gerrit.server.query.change.QueryChanges.apply(QueryChanges.java:38)
at com.google.gerrit.httpd.restapi.RestApiServlet.service(RestApiServlet.java:334)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:286)
at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:276)
at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:181)
at com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
at com.google.gerrit.httpd.GetUserFilter.doFilter(GetUserFilter.java:82)
at com.google.gerrit.httpd.RequireSslFilter.doFilter(RequireSslFilter.java:77)
at com.google.gwtexpui.server.CacheControlFilter.doFilter(CacheControlFilter.java:73)
at com.google.gerrit.httpd.RunAsFilter.doFilter(RunAsFilter.java:122)
at com.google.gerrit.httpd.RequestMetricsFilter.doFilter(RequestMetricsFilter.java:60)
at com.google.gerrit.httpd.AllRequestFilter$FilterProxy$1.doFilter(AllRequestFilter.java:136)
at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:201)
at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:178)
at com.googlesource.gerrit.plugins.javamelody.GerritMonitoringFilter.doFilter(GerritMonitoringFilter.java:65)
at com.google.gerrit.httpd.AllRequestFilter$FilterProxy$1.doFilter(AllRequestFilter.java:132)
at com.google.gerrit.httpd.AllRequestFilter$FilterProxy.doFilter(AllRequestFilter.java:105)
at com.google.gerrit.httpd.RequestContextFilter.doFilter(RequestContextFilter.java:75)
at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:120)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.eclipse.jetty.server.handler.RequestLogHandler.handle(RequestLogHandler.java:95)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.eclipse.jetty.server.Server.handle(Server.java:499)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
at java.lang.Thread.run(Unknown Source)

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