[jira] [Commented] (IGNITE-12554) Ignite instance couldn't be restarted if it's parent thread group has been called destroy once
[ https://issues.apache.org/jira/browse/IGNITE-12554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17101559#comment-17101559 ] Ivan Pavlukhin commented on IGNITE-12554: - [~agoncharuk], I do not mind if you take it over. I have a great deal of doubts that I will have a time for it in near future. > Ignite instance couldn't be restarted if it's parent thread group has been > called destroy once > -- > > Key: IGNITE-12554 > URL: https://issues.apache.org/jira/browse/IGNITE-12554 > Project: Ignite > Issue Type: Bug > Components: cache >Affects Versions: 2.7.6 >Reporter: ha faculty >Assignee: Ivan Pavlukhin >Priority: Major > Fix For: 2.9 > > Attachments: NodeRestartTesting.java > > Time Spent: 10m > Remaining Estimate: 0h > > I am using an inhouse platform which manage the life cycle of ignite instance > by calling ignition.start() and ignition.stop() from a web application. > it could be started without issue for the first time. however, if it stop the > ignite by calling ignition.stop() and followed by destroying the parent > thread group which starting it. > Calling ignition.start() in the 2nd time will throw the following exception > Exception in thread "kickOff" java.lang.IllegalThreadStateExceptionException > in thread "kickOff" java.lang.IllegalThreadStateException at > java.lang.ThreadGroup.addUnstarted(ThreadGroup.java:867) at > java.lang.Thread.init(Thread.java:405) at > java.lang.Thread.init(Thread.java:349) at > java.lang.Thread.(Thread.java:599) at > org.apache.ignite.thread.IgniteThread.(IgniteThread.java:96) at > org.apache.ignite.internal.util.StripedExecutor$Stripe.start(StripedExecutor.java:474) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:121) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:80) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:1842) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1730) > at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1158) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:589) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:565) at > org.apache.ignite.Ignition.start(Ignition.java:305) at > com.faculty.poc.ignite.app.NodeRestartTesting.run(NodeRestartTesting.java:60) > at java.lang.Thread.run(Thread.java:748) > Please find my demo code for this issue. > Walk through into Ignite code, it should be caused by a static thread group > created in IgniteThread class. (private static final ThreadGroup DFLT_GRP = > new ThreadGroup("ignite") > Destroyed the parent thread group which start the ignite instance will result > in causing the DFLT_GRP go into destroyed state. Therefore, when Ignite was > start ifor the 2nd time, this static thread group has been destroyed and no > longer able to run the ignite. > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Commented] (IGNITE-12554) Ignite instance couldn't be restarted if it's parent thread group has been called destroy once
[ https://issues.apache.org/jira/browse/IGNITE-12554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17101524#comment-17101524 ] Alexey Goncharuk commented on IGNITE-12554: --- [~Pavlukhin] the issue has not been fixed as a similar static thread group is present in {{IgniteSpiThread}}, a simple test case shows this. Do you mind taking care of it or should I take it over? > Ignite instance couldn't be restarted if it's parent thread group has been > called destroy once > -- > > Key: IGNITE-12554 > URL: https://issues.apache.org/jira/browse/IGNITE-12554 > Project: Ignite > Issue Type: Bug > Components: cache >Affects Versions: 2.7.6 >Reporter: ha faculty >Assignee: Ivan Pavlukhin >Priority: Major > Fix For: 2.9 > > Attachments: NodeRestartTesting.java > > Time Spent: 10m > Remaining Estimate: 0h > > I am using an inhouse platform which manage the life cycle of ignite instance > by calling ignition.start() and ignition.stop() from a web application. > it could be started without issue for the first time. however, if it stop the > ignite by calling ignition.stop() and followed by destroying the parent > thread group which starting it. > Calling ignition.start() in the 2nd time will throw the following exception > Exception in thread "kickOff" java.lang.IllegalThreadStateExceptionException > in thread "kickOff" java.lang.IllegalThreadStateException at > java.lang.ThreadGroup.addUnstarted(ThreadGroup.java:867) at > java.lang.Thread.init(Thread.java:405) at > java.lang.Thread.init(Thread.java:349) at > java.lang.Thread.(Thread.java:599) at > org.apache.ignite.thread.IgniteThread.(IgniteThread.java:96) at > org.apache.ignite.internal.util.StripedExecutor$Stripe.start(StripedExecutor.java:474) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:121) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:80) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:1842) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1730) > at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1158) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:589) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:565) at > org.apache.ignite.Ignition.start(Ignition.java:305) at > com.faculty.poc.ignite.app.NodeRestartTesting.run(NodeRestartTesting.java:60) > at java.lang.Thread.run(Thread.java:748) > Please find my demo code for this issue. > Walk through into Ignite code, it should be caused by a static thread group > created in IgniteThread class. (private static final ThreadGroup DFLT_GRP = > new ThreadGroup("ignite") > Destroyed the parent thread group which start the ignite instance will result > in causing the DFLT_GRP go into destroyed state. Therefore, when Ignite was > start ifor the 2nd time, this static thread group has been destroyed and no > longer able to run the ignite. > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Commented] (IGNITE-12554) Ignite instance couldn't be restarted if it's parent thread group has been called destroy once
[ https://issues.apache.org/jira/browse/IGNITE-12554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17025152#comment-17025152 ] Andrey N. Gura commented on IGNITE-12554: - [~Pavlukhin] LGTM. I agree that default thread group is not needed. > Ignite instance couldn't be restarted if it's parent thread group has been > called destroy once > -- > > Key: IGNITE-12554 > URL: https://issues.apache.org/jira/browse/IGNITE-12554 > Project: Ignite > Issue Type: Bug > Components: cache >Affects Versions: 2.7.6 >Reporter: ha faculty >Assignee: Ivan Pavlukhin >Priority: Major > Fix For: 2.9 > > Attachments: NodeRestartTesting.java > > > I am using an inhouse platform which manage the life cycle of ignite instance > by calling ignition.start() and ignition.stop() from a web application. > it could be started without issue for the first time. however, if it stop the > ignite by calling ignition.stop() and followed by destroying the parent > thread group which starting it. > Calling ignition.start() in the 2nd time will throw the following exception > Exception in thread "kickOff" java.lang.IllegalThreadStateExceptionException > in thread "kickOff" java.lang.IllegalThreadStateException at > java.lang.ThreadGroup.addUnstarted(ThreadGroup.java:867) at > java.lang.Thread.init(Thread.java:405) at > java.lang.Thread.init(Thread.java:349) at > java.lang.Thread.(Thread.java:599) at > org.apache.ignite.thread.IgniteThread.(IgniteThread.java:96) at > org.apache.ignite.internal.util.StripedExecutor$Stripe.start(StripedExecutor.java:474) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:121) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:80) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:1842) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1730) > at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1158) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:589) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:565) at > org.apache.ignite.Ignition.start(Ignition.java:305) at > com.faculty.poc.ignite.app.NodeRestartTesting.run(NodeRestartTesting.java:60) > at java.lang.Thread.run(Thread.java:748) > Please find my demo code for this issue. > Walk through into Ignite code, it should be caused by a static thread group > created in IgniteThread class. (private static final ThreadGroup DFLT_GRP = > new ThreadGroup("ignite") > Destroyed the parent thread group which start the ignite instance will result > in causing the DFLT_GRP go into destroyed state. Therefore, when Ignite was > start ifor the 2nd time, this static thread group has been destroyed and no > longer able to run the ignite. > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Commented] (IGNITE-12554) Ignite instance couldn't be restarted if it's parent thread group has been called destroy once
[ https://issues.apache.org/jira/browse/IGNITE-12554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17024832#comment-17024832 ] ha faculty commented on IGNITE-12554: - [~Pavlukhin] Thanks > Ignite instance couldn't be restarted if it's parent thread group has been > called destroy once > -- > > Key: IGNITE-12554 > URL: https://issues.apache.org/jira/browse/IGNITE-12554 > Project: Ignite > Issue Type: Bug > Components: cache >Affects Versions: 2.7.6 >Reporter: ha faculty >Assignee: Ivan Pavlukhin >Priority: Major > Fix For: 2.9 > > Attachments: NodeRestartTesting.java > > > I am using an inhouse platform which manage the life cycle of ignite instance > by calling ignition.start() and ignition.stop() from a web application. > it could be started without issue for the first time. however, if it stop the > ignite by calling ignition.stop() and followed by destroying the parent > thread group which starting it. > Calling ignition.start() in the 2nd time will throw the following exception > Exception in thread "kickOff" java.lang.IllegalThreadStateExceptionException > in thread "kickOff" java.lang.IllegalThreadStateException at > java.lang.ThreadGroup.addUnstarted(ThreadGroup.java:867) at > java.lang.Thread.init(Thread.java:405) at > java.lang.Thread.init(Thread.java:349) at > java.lang.Thread.(Thread.java:599) at > org.apache.ignite.thread.IgniteThread.(IgniteThread.java:96) at > org.apache.ignite.internal.util.StripedExecutor$Stripe.start(StripedExecutor.java:474) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:121) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:80) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:1842) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1730) > at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1158) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:589) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:565) at > org.apache.ignite.Ignition.start(Ignition.java:305) at > com.faculty.poc.ignite.app.NodeRestartTesting.run(NodeRestartTesting.java:60) > at java.lang.Thread.run(Thread.java:748) > Please find my demo code for this issue. > Walk through into Ignite code, it should be caused by a static thread group > created in IgniteThread class. (private static final ThreadGroup DFLT_GRP = > new ThreadGroup("ignite") > Destroyed the parent thread group which start the ignite instance will result > in causing the DFLT_GRP go into destroyed state. Therefore, when Ignite was > start ifor the 2nd time, this static thread group has been destroyed and no > longer able to run the ignite. > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Commented] (IGNITE-12554) Ignite instance couldn't be restarted if it's parent thread group has been called destroy once
[ https://issues.apache.org/jira/browse/IGNITE-12554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17024543#comment-17024543 ] Ignite TC Bot commented on IGNITE-12554: {panel:title=Branch: [pull/7297/head] Base: [master] : No blockers found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel} [TeamCity *-- Run :: All* Results|https://ci.ignite.apache.org/viewLog.html?buildId=4963617buildTypeId=IgniteTests24Java8_RunAll] > Ignite instance couldn't be restarted if it's parent thread group has been > called destroy once > -- > > Key: IGNITE-12554 > URL: https://issues.apache.org/jira/browse/IGNITE-12554 > Project: Ignite > Issue Type: Bug > Components: cache >Affects Versions: 2.7.6 >Reporter: ha faculty >Assignee: Ivan Pavlukhin >Priority: Major > Fix For: 2.9 > > Attachments: NodeRestartTesting.java > > > I am using an inhouse platform which manage the life cycle of ignite instance > by calling ignition.start() and ignition.stop() from a web application. > it could be started without issue for the first time. however, if it stop the > ignite by calling ignition.stop() and followed by destroying the parent > thread group which starting it. > Calling ignition.start() in the 2nd time will throw the following exception > Exception in thread "kickOff" java.lang.IllegalThreadStateExceptionException > in thread "kickOff" java.lang.IllegalThreadStateException at > java.lang.ThreadGroup.addUnstarted(ThreadGroup.java:867) at > java.lang.Thread.init(Thread.java:405) at > java.lang.Thread.init(Thread.java:349) at > java.lang.Thread.(Thread.java:599) at > org.apache.ignite.thread.IgniteThread.(IgniteThread.java:96) at > org.apache.ignite.internal.util.StripedExecutor$Stripe.start(StripedExecutor.java:474) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:121) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:80) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:1842) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1730) > at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1158) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:589) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:565) at > org.apache.ignite.Ignition.start(Ignition.java:305) at > com.faculty.poc.ignite.app.NodeRestartTesting.run(NodeRestartTesting.java:60) > at java.lang.Thread.run(Thread.java:748) > Please find my demo code for this issue. > Walk through into Ignite code, it should be caused by a static thread group > created in IgniteThread class. (private static final ThreadGroup DFLT_GRP = > new ThreadGroup("ignite") > Destroyed the parent thread group which start the ignite instance will result > in causing the DFLT_GRP go into destroyed state. Therefore, when Ignite was > start ifor the 2nd time, this static thread group has been destroyed and no > longer able to run the ignite. > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Commented] (IGNITE-12554) Ignite instance couldn't be restarted if it's parent thread group has been called destroy once
[ https://issues.apache.org/jira/browse/IGNITE-12554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17024104#comment-17024104 ] Ivan Pavlukhin commented on IGNITE-12554: - I raised (PR|https://github.com/apache/ignite/pull/7297) removing special ThreadGroup. > Ignite instance couldn't be restarted if it's parent thread group has been > called destroy once > -- > > Key: IGNITE-12554 > URL: https://issues.apache.org/jira/browse/IGNITE-12554 > Project: Ignite > Issue Type: Bug > Components: cache >Affects Versions: 2.7.6 >Reporter: ha faculty >Assignee: Ivan Pavlukhin >Priority: Major > Attachments: NodeRestartTesting.java > > > I am using an inhouse platform which manage the life cycle of ignite instance > by calling ignition.start() and ignition.stop() from a web application. > it could be started without issue for the first time. however, if it stop the > ignite by calling ignition.stop() and followed by destroying the parent > thread group which starting it. > Calling ignition.start() in the 2nd time will throw the following exception > Exception in thread "kickOff" java.lang.IllegalThreadStateExceptionException > in thread "kickOff" java.lang.IllegalThreadStateException at > java.lang.ThreadGroup.addUnstarted(ThreadGroup.java:867) at > java.lang.Thread.init(Thread.java:405) at > java.lang.Thread.init(Thread.java:349) at > java.lang.Thread.(Thread.java:599) at > org.apache.ignite.thread.IgniteThread.(IgniteThread.java:96) at > org.apache.ignite.internal.util.StripedExecutor$Stripe.start(StripedExecutor.java:474) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:121) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:80) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:1842) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1730) > at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1158) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:589) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:565) at > org.apache.ignite.Ignition.start(Ignition.java:305) at > com.faculty.poc.ignite.app.NodeRestartTesting.run(NodeRestartTesting.java:60) > at java.lang.Thread.run(Thread.java:748) > Please find my demo code for this issue. > Walk through into Ignite code, it should be caused by a static thread group > created in IgniteThread class. (private static final ThreadGroup DFLT_GRP = > new ThreadGroup("ignite") > Destroyed the parent thread group which start the ignite instance will result > in causing the DFLT_GRP go into destroyed state. Therefore, when Ignite was > start ifor the 2nd time, this static thread group has been destroyed and no > longer able to run the ignite. > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Commented] (IGNITE-12554) Ignite instance couldn't be restarted if it's parent thread group has been called destroy once
[ https://issues.apache.org/jira/browse/IGNITE-12554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17019796#comment-17019796 ] ha faculty commented on IGNITE-12554: - Hi Ivan, Unfortunately our in-house platform which is using a 3rd party framework which don’t allow using the system threadgroup. Thanks for your reply. Let me see if assign a new DFLT_GRP instance every time when ignition start will resolve it or not > Ignite instance couldn't be restarted if it's parent thread group has been > called destroy once > -- > > Key: IGNITE-12554 > URL: https://issues.apache.org/jira/browse/IGNITE-12554 > Project: Ignite > Issue Type: Bug > Components: cache >Affects Versions: 2.7.6 >Reporter: ha faculty >Priority: Major > Attachments: NodeRestartTesting.java > > > I am using an inhouse platform which manage the life cycle of ignite instance > by calling ignition.start() and ignition.stop() from a web application. > it could be started without issue for the first time. however, if it stop the > ignite by calling ignition.stop() and followed by destroying the parent > thread group which starting it. > Calling ignition.start() in the 2nd time will throw the following exception > Exception in thread "kickOff" java.lang.IllegalThreadStateExceptionException > in thread "kickOff" java.lang.IllegalThreadStateException at > java.lang.ThreadGroup.addUnstarted(ThreadGroup.java:867) at > java.lang.Thread.init(Thread.java:405) at > java.lang.Thread.init(Thread.java:349) at > java.lang.Thread.(Thread.java:599) at > org.apache.ignite.thread.IgniteThread.(IgniteThread.java:96) at > org.apache.ignite.internal.util.StripedExecutor$Stripe.start(StripedExecutor.java:474) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:121) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:80) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:1842) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1730) > at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1158) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:589) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:565) at > org.apache.ignite.Ignition.start(Ignition.java:305) at > com.faculty.poc.ignite.app.NodeRestartTesting.run(NodeRestartTesting.java:60) > at java.lang.Thread.run(Thread.java:748) > Please find my demo code for this issue. > Walk through into Ignite code, it should be caused by a static thread group > created in IgniteThread class. (private static final ThreadGroup DFLT_GRP = > new ThreadGroup("ignite") > Destroyed the parent thread group which start the ignite instance will result > in causing the DFLT_GRP go into destroyed state. Therefore, when Ignite was > start ifor the 2nd time, this static thread group has been destroyed and no > longer able to run the ignite. > > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Commented] (IGNITE-12554) Ignite instance couldn't be restarted if it's parent thread group has been called destroy once
[ https://issues.apache.org/jira/browse/IGNITE-12554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17019459#comment-17019459 ] Ivan Pavlukhin commented on IGNITE-12554: - [~hafaculty], currently I can suggest only a workaround. Is it possible for you to enforce {{org.apache.ignite.thread.IgniteThread#DFLT_GRP}} initialization in a system (root) ThreadGroup? Unfortunately, cannot answer from scratch what would be the proper fix. Perhaps special DFLT_GRP is not really needed.. > Ignite instance couldn't be restarted if it's parent thread group has been > called destroy once > -- > > Key: IGNITE-12554 > URL: https://issues.apache.org/jira/browse/IGNITE-12554 > Project: Ignite > Issue Type: Bug > Components: cache >Affects Versions: 2.7.6 >Reporter: ha faculty >Priority: Major > Attachments: NodeRestartTesting.java > > > I am using an inhouse platform which manage the life cycle of ignite instance > by calling ignition.start() and ignition.stop() from a web application. > it could be started without issue for the first time. however, if it stop the > ignite by calling ignition.stop() and followed by destroying the parent > thread group which starting it. > Calling ignition.start() in the 2nd time will throw the following exception > Exception in thread "kickOff" java.lang.IllegalThreadStateExceptionException > in thread "kickOff" java.lang.IllegalThreadStateException at > java.lang.ThreadGroup.addUnstarted(ThreadGroup.java:867) at > java.lang.Thread.init(Thread.java:405) at > java.lang.Thread.init(Thread.java:349) at > java.lang.Thread.(Thread.java:599) at > org.apache.ignite.thread.IgniteThread.(IgniteThread.java:96) at > org.apache.ignite.internal.util.StripedExecutor$Stripe.start(StripedExecutor.java:474) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:121) > at > org.apache.ignite.internal.util.StripedExecutor.(StripedExecutor.java:80) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:1842) > at > org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1730) > at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1158) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:589) at > org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:565) at > org.apache.ignite.Ignition.start(Ignition.java:305) at > com.faculty.poc.ignite.app.NodeRestartTesting.run(NodeRestartTesting.java:60) > at java.lang.Thread.run(Thread.java:748) > Please find my demo code for this issue. > Walk through into Ignite code, it should be caused by a static thread group > created in IgniteThread class. (private static final ThreadGroup DFLT_GRP = > new ThreadGroup("ignite") > Destroyed the parent thread group which start the ignite instance will result > in causing the DFLT_GRP go into destroyed state. Therefore, when Ignite was > start ifor the 2nd time, this static thread group has been destroyed and no > longer able to run the ignite. > > -- This message was sent by Atlassian Jira (v8.3.4#803005)