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Dmitriy Govorukhin commented on IGNITE-9854: -------------------------------------------- [~NIzhikov] What about including this fix in ignite-2.7? > NullPointerException in PageMemoryImpl.refreshOutdatedPages during removing > from segCheckpointPages > --------------------------------------------------------------------------------------------------- > > Key: IGNITE-9854 > URL: https://issues.apache.org/jira/browse/IGNITE-9854 > Project: Ignite > Issue Type: Bug > Components: persistence > Affects Versions: 2.6 > Reporter: Ivan Daschinskiy > Assignee: Ivan Daschinskiy > Priority: Critical > Fix For: 2.8 > > > Because of possibility of concurrently setting segCheckpointPages to null of > segment not under segment writeLock (i.e. in > PageMemoryImpl#finishCheckpoint), NullPointerException is possible. This > causes immediate node failure. > Example stack trace is attached (failure during iteration in rebalance > supplier). > {code:java} > java.lang.NullPointerException: null > at > org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryImpl.refreshOutdatedPage(PageMemoryImpl.java:840) > at > org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryImpl.access$5100(PageMemoryImpl.java:120) > at > org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryImpl$Segment.removePageForReplacement(PageMemoryImpl.java:2175) > at > org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryImpl$Segment.access$900(PageMemoryImpl.java:1841) > at > org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryImpl.acquirePage(PageMemoryImpl.java:686) > at > org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryImpl.acquirePage(PageMemoryImpl.java:627) > at > org.apache.ignite.internal.processors.cache.persistence.CacheDataRowAdapter.initFromLink(CacheDataRowAdapter.java:140) > at > org.apache.ignite.internal.processors.cache.persistence.CacheDataRowAdapter.initFromLink(CacheDataRowAdapter.java:102) > at > org.apache.ignite.internal.processors.cache.tree.DataRow.<init>(DataRow.java:54) > at > org.apache.ignite.internal.processors.cache.tree.CacheDataRowStore.dataRow(CacheDataRowStore.java:73) > at > org.apache.ignite.internal.processors.cache.tree.CacheDataTree.getRow(CacheDataTree.java:146) > at > org.apache.ignite.internal.processors.cache.tree.CacheDataTree.getRow(CacheDataTree.java:41) > at > org.apache.ignite.internal.processors.cache.persistence.tree.BPlusTree$ForwardCursor.fillFromBuffer(BPlusTree.java:4660) > at > org.apache.ignite.internal.processors.cache.persistence.tree.BPlusTree$ForwardCursor.nextPage(BPlusTree.java:4760) > at > org.apache.ignite.internal.processors.cache.persistence.tree.BPlusTree$ForwardCursor.next(BPlusTree.java:4689) > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)