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POFuzzyRowFilter and IPC server unable to read call parameters: Error in readFields
 

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  1. POFuzzyRowFilter and IPC server unable to read call parameters: Error in readFields
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    <p>I am trying to use the FuzzyRowFilter. Im on Hbase 0.94.6-cdh4.3.0, on a Cloudera 4.3.0 cluster.</p> <p>I got the java file from <a href="https://builds.apache.org/job/HBase-0.94/ws/trunk/src/main/java/org/apache/hadoop/hbase/filter/FuzzyRowFilter.java" rel="nofollow">https://builds.apache.org/job/HBase-0.94/ws/trunk/src/main/java/org/apache/hadoop/hbase/filter/FuzzyRowFilter.java</a> , after following the link from <a href="https://issues.apache.org/jira/browse/HBASE-7628" rel="nofollow">https://issues.apache.org/jira/browse/HBASE-7628</a>. I could not find the minor version 766 any more, so extracted the file from 0.94 trunk.</p> <p>I have a test table which scans like this</p> <p>hbase(main):005:0> scan 'test_fuzzy_rules' ROW COLUMN+CELL<br> 1XX_2XX column=rules:rule1, timestamp=1375719501754, value=Value from rule1<br> 1XX_2XX column=rules:rule2, timestamp=1375719535698, value=Value from rule2<br> 1 row(s) in 0.0170 seconds*</p> <p>And I set up my rule filter like below and associated it with a Scan object and HTable.</p> <p><code>FuzzyRowFilter fuzzyFilter = new FuzzyRowFilter( Arrays.asList(new Pair&lt;byte[], byte[]&gt;(Bytes.toBytesBinary("\\x00\\x00\\x00_2XX"), new byte[] {1, 1, 1, 0 , 0, 0, 0 })));</code></p> <p>When I run my job, I get the following error</p> <pre><code>org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=10, exceptions: Mon Aug 05 17:20:04 BST 2013, org.apache.hadoop.hbase.client.ScannerCallable@556917ee, java.io.IOException: IPC server unable to read call parameters: Error in readFields at org.apache.hadoop.hbase.client.ServerCallable.withRetries(ServerCallable.java:183) at org.apache.hadoop.hbase.client.ClientScanner.nextScanner(ClientScanner.java:205) at org.apache.hadoop.hbase.client.ClientScanner.&lt;init&gt;(ClientScanner.java:120) at org.apache.hadoop.hbase.client.HTable.getScanner(HTable.java:665) at xx.xx.xxxx.xx.xxxxxx.xxxxxx.xxxx.xxxx.main(XXXX.java:197) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.util.RunJar.main(RunJar.java:208).... </code></pre> <p>Any idea what is going on here. I tried to trace the error but am lost.</p> <p>Thanks Regards</p>
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