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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4216) IllegalArgumentException prefetching from META
Date Wed, 17 Aug 2011 17:50:27 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13086476#comment-13086476
] 

Todd Lipcon commented on HBASE-4216:
------------------------------------

{noformat}
11/08/17 10:44:59 WARN client.HConnectionManager$HConnectionImplementation: Encountered problems
when prefetch META table:
java.io.IOException: java.lang.IllegalArgumentException: hostname can't be null
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$2.processRow(HConnectionManager.java:822)
        at org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:212)
        at org.apache.hadoop.hbase.client.MetaScanner.access$000(MetaScanner.java:52)
        at org.apache.hadoop.hbase.client.MetaScanner$1.connect(MetaScanner.java:130)
        at org.apache.hadoop.hbase.client.MetaScanner$1.connect(MetaScanner.java:127)
        at org.apache.hadoop.hbase.client.HConnectionManager.execute(HConnectionManager.java:341)
        at org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:127)
        at org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:103)
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.prefetchRegionCache(HConnectionManager.java:828)
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:882)
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:770)
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.relocateRegion(HConnectionManager.java:740)
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionLocation(HConnectionManager.java:659)
        at org.apache.hadoop.hbase.client.ServerCallable.instantiateServer(ServerCallable.java:70)
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithRetries(HConnectionManager.java:1238)
        at org.apache.hadoop.hbase.client.HTable.get(HTable.java:612)
        at com.yahoo.ycsb.db.HBaseClient.read(HBaseClient.java:160)
        at com.yahoo.ycsb.DBWrapper.read(DBWrapper.java:86)
        at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionRead(CoreWorkload.java:444)
        at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(CoreWorkload.java:391)
        at com.yahoo.ycsb.ClientTask.call(ClientTask.java:47)
        at com.yahoo.ycsb.RateLimiter.call(RateLimiter.java:53)
        at com.yahoo.ycsb.RateLimiter.call(RateLimiter.java:13)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.IllegalArgumentException: hostname can't be null
        at java.net.InetSocketAddress.<init>(InetSocketAddress.java:121)
        at org.apache.hadoop.hbase.HServerAddress.getResolvedAddress(HServerAddress.java:89)
        at org.apache.hadoop.hbase.HServerAddress.<init>(HServerAddress.java:75)
        at org.apache.hadoop.hbase.HRegionLocation.getServerAddress(HRegionLocation.java:101)
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.cacheLocation(HConnectionManager.java:1123)
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.access$000(HConnectionManager.java:439)
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$2.processRow(HConnectionManager.java:818)
        ... 27 more
{noformat}

Seems like a race since it went away

> IllegalArgumentException prefetching from META
> ----------------------------------------------
>
>                 Key: HBASE-4216
>                 URL: https://issues.apache.org/jira/browse/HBASE-4216
>             Project: HBase
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 0.92.0
>            Reporter: Todd Lipcon
>            Priority: Critical
>
> Received one of these while doing a YCSB test on 26 nodes on trunk:
> java.io.IOException: java.lang.IllegalArgumentException: hostname can't be null

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