Major Description
Snapshot creation throws NPE on an in-memory cluster.
Error stack trace: class org.apache.ignite.internal.client.GridClientException: Failed to handle request: [req=EXE, taskName=org.apache.ignite.internal.visor.snapshot.VisorSnapshotCreateTask, params=[VisorTaskArgument [debug=false]], err=Failed to reduce job results due to undeclared user exception [task=org.apache.ignite.internal.visor.snapshot.VisorSnapshotCreateTask@4d45b97f, err=class org.apache.ignite.IgniteException: null], trace=class org.apache.ignite.IgniteCheckedException: Failed to reduce job results due to undeclared user exception [task=org.apache.ignite.internal.visor.snapshot.VisorSnapshotCreateTask@4d45b97f, err=class org.apache.ignite.IgniteException: null] at org.apache.ignite.internal.util.IgniteUtils.cast(IgniteUtils.java:7566) at org.apache.ignite.internal.util.future.GridFutureAdapter.resolve(GridFutureAdapter.java:260) at org.apache.ignite.internal.util.future.GridFutureAdapter.get0(GridFutureAdapter.java:172) at org.apache.ignite.internal.util.future.GridFutureAdapter.get(GridFutureAdapter.java:141) at org.apache.ignite.internal.processors.rest.handlers.task.GridTaskCommandHandler$2.apply(GridTaskCommandHandler.java:263) at org.apache.ignite.internal.processors.rest.handlers.task.GridTaskCommandHandler$2.apply(GridTaskCommandHandler.java:257) at org.apache.ignite.internal.util.future.GridFutureAdapter.notifyListener(GridFutureAdapter.java:399) at org.apache.ignite.internal.util.future.GridFutureAdapter.listen(GridFutureAdapter.java:354) at org.apache.ignite.internal.processors.rest.handlers.task.GridTaskCommandHandler.handleAsyncUnsafe(GridTaskCommandHandler.java:257) at org.apache.ignite.internal.processors.rest.handlers.task.GridTaskCommandHandler.handleAsync(GridTaskCommandHandler.java:163) at org.apache.ignite.internal.processors.rest.GridRestProcessor.handleRequest(GridRestProcessor.java:325) at org.apache.ignite.internal.processors.rest.GridRestProcessor.access$100(GridRestProcessor.java:104) at org.apache.ignite.internal.processors.rest.GridRestProcessor$2.body(GridRestProcessor.java:179) at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: class org.apache.ignite.compute.ComputeUserUndeclaredException: Failed to reduce job results due to undeclared user exception [task=org.apache.ignite.internal.visor.snapshot.VisorSnapshotCreateTask@4d45b97f, err=class org.apache.ignite.IgniteException: null] at org.apache.ignite.internal.processors.task.GridTaskWorker.reduce(GridTaskWorker.java:1184) at org.apache.ignite.internal.processors.task.GridTaskWorker.onResponse(GridTaskWorker.java:974) at org.apache.ignite.internal.processors.task.GridTaskWorker.processDelayedResponses(GridTaskWorker.java:711) at org.apache.ignite.internal.processors.task.GridTaskWorker.body(GridTaskWorker.java:542) at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120) at org.apache.ignite.internal.processors.task.GridTaskProcessor.startTask(GridTaskProcessor.java:830) at org.apache.ignite.internal.processors.task.GridTaskProcessor.execute(GridTaskProcessor.java:555) at org.apache.ignite.internal.processors.task.GridTaskProcessor.execute(GridTaskProcessor.java:535) at org.apache.ignite.internal.processors.rest.handlers.task.GridTaskCommandHandler.handleAsyncUnsafe(GridTaskCommandHandler.java:227) ... 8 more Caused by: class org.apache.ignite.IgniteException: null at org.apache.ignite.internal.util.IgniteUtils.convertException(IgniteUtils.java:1086) at org.apache.ignite.internal.util.future.IgniteFutureImpl.convertException(IgniteFutureImpl.java:168) at org.apache.ignite.internal.util.future.IgniteFutureImpl.get(IgniteFutureImpl.java:137) at org.apache.ignite.internal.processors.cache.persistence.snapshot.SnapshotMXBeanImpl.createSnapshot(SnapshotMXBeanImpl.java:43) at org.apache.ignite.internal.visor.snapshot.VisorSnapshotCreateTask$VisorSnapshotCreateJob.run(VisorSnapshotCreateTask.java:57) at org.apache.ignite.internal.visor.snapshot.VisorSnapshotCreateTask$VisorSnapshotCreateJob.run(VisorSnapshotCreateTask.java:43) at org.apache.ignite.internal.visor.VisorJob.execute(VisorJob.java:69) at org.apache.ignite.internal.processors.job.GridJobWorker$2.call(GridJobWorker.java:599) at org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader(IgniteUtils.java:7064) at org.apache.ignite.internal.processors.job.GridJobWorker.execute0(GridJobWorker.java:593) at org.apache.ignite.internal.processors.job.GridJobWorker.body(GridJobWorker.java:522) at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120) at org.apache.ignite.internal.processors.job.GridJobProcessor.processJobExecuteRequest(GridJobProcessor.java:1294) at org.apache.ignite.internal.processors.task.GridTaskWorker.sendRequest(GridTaskWorker.java:1429) at org.apache.ignite.internal.processors.task.GridTaskWorker.processMappedJobs(GridTaskWorker.java:664) at org.apache.ignite.internal.processors.task.GridTaskWorker.body(GridTaskWorker.java:536) ... 13 more Caused by: class org.apache.ignite.IgniteCheckedException: null at org.apache.ignite.internal.util.IgniteUtils.cast(IgniteUtils.java:7566) at org.apache.ignite.internal.util.future.GridFinishedFuture.get(GridFinishedFuture.java:100) at org.apache.ignite.internal.util.future.IgniteFutureImpl.get(IgniteFutureImpl.java:134) ... 26 more Caused by: java.lang.NullPointerException at org.apache.ignite.internal.processors.cache.persistence.snapshot.IgniteSnapshotManager.localSnapshotNames(IgniteSnapshotManager.java:656) at org.apache.ignite.internal.processors.cache.persistence.snapshot.IgniteSnapshotManager.createSnapshot(IgniteSnapshotManager.java:761) at org.apache.ignite.internal.processors.cache.persistence.snapshot.SnapshotMXBeanImpl.createSnapshot(SnapshotMXBeanImpl.java:40) ... 25 more ] at org.apache.ignite.internal.client.impl.connection.GridClientNioTcpConnection.handleClientResponse(GridClientNioTcpConnection.java:631) at org.apache.ignite.internal.client.impl.connection.GridClientNioTcpConnection.handleResponse(GridClientNioTcpConnection.java:562) at org.apache.ignite.internal.client.impl.connection.GridClientConnectionManagerAdapter$NioListener.onMessage(GridClientConnectionManagerAdapter.java:651) at org.apache.ignite.internal.util.nio.GridNioFilterChain$TailFilter.onMessageReceived(GridNioFilterChain.java:279) at org.apache.ignite.internal.util.nio.GridNioFilterAdapter.proceedMessageReceived(GridNioFilterAdapter.java:109) at org.apache.ignite.internal.util.nio.GridNioCodecFilter.onMessageReceived(GridNioCodecFilter.java:116) at org.apache.ignite.internal.util.nio.GridNioFilterAdapter.proceedMessageReceived(GridNioFilterAdapter.java:109) at org.apache.ignite.internal.util.nio.GridNioServer$HeadFilter.onMessageReceived(GridNioServer.java:3625) at org.apache.ignite.internal.util.nio.GridNioFilterChain.onMessageReceived(GridNioFilterChain.java:175) at org.apache.ignite.internal.util.nio.GridNioServer$ByteBufferNioClientWorker.processRead(GridNioServer.java:1175) at org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.processSelectedKeysOptimized(GridNioServer.java:2434) at org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.bodyInternal(GridNioServer.java:2201) at org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.body(GridNioServer.java:1842) at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120) at java.lang.Thread.run(Thread.java:748) Control utility has completed execution at: 2020-06-12T14:15:40.695 Execution time: 443 ms
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