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From "Geoff Macartney (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BROOKLYN-526) Laptop crash (?) caused empty files in persisted state
Date Fri, 04 Aug 2017 11:16:02 GMT

    [ https://issues.apache.org/jira/browse/BROOKLYN-526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16114256#comment-16114256
] 

Geoff Macartney commented on BROOKLYN-526:
------------------------------------------

How about something like

https://github.com/apache/brooklyn-server/pull/791



> Laptop crash (?) caused empty files in persisted state
> ------------------------------------------------------
>
>                 Key: BROOKLYN-526
>                 URL: https://issues.apache.org/jira/browse/BROOKLYN-526
>             Project: Brooklyn
>          Issue Type: Bug
>    Affects Versions: 0.11.0
>            Reporter: Aled Sage
>
> My mac laptop crashed while Brooklyn was running. After restart the mac, and restarting
Brooklyn, I saw exceptions like that below many times:
> {noformat}
> 2017-08-04 09:23:52,889 WARN  122 o.a.b.c.m.r.RebindExceptionHandlerImpl [ooklyn-persister]
Rebind: continuing after problem loading memento: memento ielugq12x0 loading raw error
> org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: SAXParseException: Premature
end of file.
>         at org.apache.brooklyn.util.exceptions.Exceptions.propagate(Exceptions.java:129)[143:org.apache.brooklyn.utils-common:0.12.0.SNAPSHOT]
>         at org.apache.brooklyn.util.core.xstream.XmlUtil.xpath(XmlUtil.java:78)[122:org.apache.brooklyn.core:0.12.0.SNAPSHOT]
>         at org.apache.brooklyn.util.core.xstream.XmlUtil.xpathHandlingIllegalChars(XmlUtil.java:100)[122:org.apache.brooklyn.core:0.12.0.SNAPSHOT]
>         at org.apache.brooklyn.util.core.xstream.XmlUtil.xpathHandlingIllegalChars(XmlUtil.java:87)[122:org.apache.brooklyn.core:0.12.0.SNAPSHOT]
>         at org.apache.brooklyn.core.mgmt.persist.BrooklynMementoPersisterToObjectStore$2.visit(BrooklynMementoPersisterToObjectStore.java:335)[122:org.apache.brooklyn.core:0.12.0.SNAPSHOT]
>         at org.apache.brooklyn.core.mgmt.persist.BrooklynMementoPersisterToObjectStore$1VisitorWrapper.run(BrooklynMementoPersisterToObjectStore.java:528)[122:org.apache.brooklyn.core:0.12.0.SNAPSHOT]
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)[:1.8.0_144]
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)[:1.8.0_144]
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)[:1.8.0_144]
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)[:1.8.0_144]
>         at java.lang.Thread.run(Thread.java:748)[:1.8.0_144]
> Caused by: org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Premature end
of file.
>         at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:257)[:1.8.0_144]
>         at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:339)[:1.8.0_144]
>         at org.apache.brooklyn.util.core.xstream.XmlUtil.xpath(XmlUtil.java:69)[122:org.apache.brooklyn.core:0.12.0.SNAPSHOT]
>         ... 9 more
> {noformat}
> Looking in the persisted state directory, there are a bunch of size-zero files (for 34
enrichers, 4 feeds, 6 locations and 2 policies)!
> The timestamps for these zero-size files are the newest in the persistence directories.



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