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Stefan Egli edited comment on OAK-4107 at 6/28/16 8:47 AM: ----------------------------------------------------------- [~chetanm], good point. I've modified the original patch for the 1.4 branch, and added logging the exception (probably null though) and errorMessage. Attached [^OAK-4107.1_4_branch.patch]. wdyt? (EDIT: I'd also apply this additional logging to trunk as that makes sense there too of course) was (Author: egli): [~chetanm], good point. I've modified the original patch for the 1.4 branch, and added logging the exception (probably null though) and errorMessage. Attached [^OAK-4107.1_4_branch.patch]. wdyt? > NPE in MongoDocumentStore.determineServerTimeDifferenceMillis > ------------------------------------------------------------- > > Key: OAK-4107 > URL: https://issues.apache.org/jira/browse/OAK-4107 > Project: Jackrabbit Oak > Issue Type: Bug > Components: mongomk > Reporter: Chetan Mehrotra > Assignee: Stefan Egli > Priority: Minor > Labels: candidate_oak_1_4 > Fix For: 1.6, 1.5.2 > > Attachments: OAK-4107.1_4_branch.patch, OAK-4107.patch > > > On system startup with Mongo following exception is seen > {noformat} > 07.03.2016 06:26:10.529 *WARN* [FelixStartLevel] > org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreService > registerNodeStore: got RuntimeException while trying to determine time > difference to server: java.lang.NullPointerException > java.lang.NullPointerException: null > at > org.apache.jackrabbit.oak.plugins.document.mongo.MongoDocumentStore.determineServerTimeDifferenceMillis(MongoDocumentStore.java:1568) > at > org.apache.jackrabbit.oak.plugins.document.util.LeaseCheckDocumentStoreWrapper.determineServerTimeDifferenceMillis(LeaseCheckDocumentStoreWrapper.java:203) > at > org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreService.registerNodeStore(DocumentNodeStoreService.java:514) > at > org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreService.registerNodeStoreIfPossible(DocumentNodeStoreService.java:371) > at > org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreService.bindBlobStore(DocumentNodeStoreService.java:554) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > {noformat} > Per code {{serverLocalTime}} appears to be null > {code} > final Date serverLocalTime = db.command("serverStatus").getDate("localTime"); > final long end = System.currentTimeMillis(); > final long midPoint = (start + end) / 2; > final long serverLocalTimeMillis = serverLocalTime.getTime(); > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)