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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2017/12/20 19:18:00 UTC
[jira] [Updated] (HBASE-19567) ClassNotFoundException:
org.apache.hadoop.hbase.KeyValue$RawBytesComparator starting 2.0.0 over a
0.98.25 data.
[ https://issues.apache.org/jira/browse/HBASE-19567?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-19567:
--------------------------
Description:
Starting branch-2 over a 0.98.25 data:
382603 2017-12-19 21:25:08,333 DEBUG [StoreOpener-8e6e2b71d8a413561d9103b0cb6e4686-1] regionserver.HStore: loaded hdfs://ve0524.halxg.cloudera.com:8020/hbase/data/default/ycsb/8e6e2b71d8a413561d9103b0cb6e4686/family/3633fe2e03ad4cceb0d2018f1f0d76da, isReference=false, isBulkLoadResult=false, seqid=341101 6, majorCompaction=false
382604 2017-12-19 21:25:08,339 DEBUG [StoreFileOpenerThread-family-1] hfile.HFile: Opening HFile v2 with v3 reader
382605 2017-12-19 21:25:08,342 ERROR [StoreFileOpenerThread-family-1] regionserver.StoreFileReader: Error reading bloom filter meta for GENERAL_BLOOM_META -- proceeding without
382606 java.io.IOException: java.lang.ClassNotFoundException: org.apache.hadoop.hbase.KeyValue$RawBytesComparator
382607 at org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.getComparatorClass(FixedFileTrailer.java:583)
382608 at org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.createComparator(FixedFileTrailer.java:592)
382609 at org.apache.hadoop.hbase.io.hfile.CompoundBloomFilter.<init>(CompoundBloomFilter.java:79)
382610 at org.apache.hadoop.hbase.util.BloomFilterFactory.createFromMeta(BloomFilterFactory.java:104)
382611 at org.apache.hadoop.hbase.regionserver.StoreFileReader.loadBloomfilter(StoreFileReader.java:480)
382612 at org.apache.hadoop.hbase.regionserver.HStoreFile.open(HStoreFile.java:426)
382613 at org.apache.hadoop.hbase.regionserver.HStoreFile.initReader(HStoreFile.java:461)
382614 at org.apache.hadoop.hbase.regionserver.HStore.createStoreFileAndReader(HStore.java:665)
382615 at org.apache.hadoop.hbase.regionserver.HStore.lambda$openStoreFiles$0(HStore.java:533)
382616 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
382617 at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
382618 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
382619 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
382620 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
382621 at java.lang.Thread.run(Thread.java:745)
382622 Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.hbase.KeyValue$RawBytesComparator
382623 at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
382624 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
382625 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
382626 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
382627 at java.lang.Class.forName0(Native Method)
382628 at java.lang.Class.forName(Class.java:264)
382629 at org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.getComparatorClass(FixedFileTrailer.java:581)
382630 ... 14 more
Ram suggested a one-liner. I tried it and it seems to work.
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/FixedFileTrailer.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/FixedFileTrailer.java
index 672919d..1a22cd6 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/FixedFileTrailer.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/FixedFileTrailer.java
@@ -570,7 +570,7 @@ public class FixedFileTrailer {
|| (comparatorClassName
.equals("org.apache.hadoop.hbase.CellComparator$MetaCellComparator"))) {
comparatorKlass = MetaCellComparator.class;
- } else if (comparatorClassName.equals("org.apache.hadoop.hbase.KeyValue.RawBytesComparator")
+ } else if (comparatorClassName.equals("org.apache.hadoop.hbase.KeyValue$RawBytesComparator")
|| comparatorClassName.equals("org.apache.hadoop.hbase.util.Bytes$ByteArrayComparator")) {
// When the comparator to be used is Bytes.BYTES_RAWCOMPARATOR, we just return null from here
// Bytes.BYTES_RAWCOMPARATOR is not a CellComparator
> ClassNotFoundException: org.apache.hadoop.hbase.KeyValue$RawBytesComparator starting 2.0.0 over a 0.98.25 data.
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-19567
> URL: https://issues.apache.org/jira/browse/HBASE-19567
> Project: HBase
> Issue Type: Sub-task
> Components: HFile
> Reporter: stack
> Assignee: stack
> Fix For: 2.0.0-beta-1
>
>
> Starting branch-2 over a 0.98.25 data:
> 382603 2017-12-19 21:25:08,333 DEBUG [StoreOpener-8e6e2b71d8a413561d9103b0cb6e4686-1] regionserver.HStore: loaded hdfs://ve0524.halxg.cloudera.com:8020/hbase/data/default/ycsb/8e6e2b71d8a413561d9103b0cb6e4686/family/3633fe2e03ad4cceb0d2018f1f0d76da, isReference=false, isBulkLoadResult=false, seqid=341101 6, majorCompaction=false
> 382604 2017-12-19 21:25:08,339 DEBUG [StoreFileOpenerThread-family-1] hfile.HFile: Opening HFile v2 with v3 reader
> 382605 2017-12-19 21:25:08,342 ERROR [StoreFileOpenerThread-family-1] regionserver.StoreFileReader: Error reading bloom filter meta for GENERAL_BLOOM_META -- proceeding without
> 382606 java.io.IOException: java.lang.ClassNotFoundException: org.apache.hadoop.hbase.KeyValue$RawBytesComparator
> 382607 at org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.getComparatorClass(FixedFileTrailer.java:583)
> 382608 at org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.createComparator(FixedFileTrailer.java:592)
> 382609 at org.apache.hadoop.hbase.io.hfile.CompoundBloomFilter.<init>(CompoundBloomFilter.java:79)
> 382610 at org.apache.hadoop.hbase.util.BloomFilterFactory.createFromMeta(BloomFilterFactory.java:104)
> 382611 at org.apache.hadoop.hbase.regionserver.StoreFileReader.loadBloomfilter(StoreFileReader.java:480)
> 382612 at org.apache.hadoop.hbase.regionserver.HStoreFile.open(HStoreFile.java:426)
> 382613 at org.apache.hadoop.hbase.regionserver.HStoreFile.initReader(HStoreFile.java:461)
> 382614 at org.apache.hadoop.hbase.regionserver.HStore.createStoreFileAndReader(HStore.java:665)
> 382615 at org.apache.hadoop.hbase.regionserver.HStore.lambda$openStoreFiles$0(HStore.java:533)
> 382616 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 382617 at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> 382618 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 382619 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 382620 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 382621 at java.lang.Thread.run(Thread.java:745)
> 382622 Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.hbase.KeyValue$RawBytesComparator
> 382623 at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
> 382624 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> 382625 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
> 382626 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> 382627 at java.lang.Class.forName0(Native Method)
> 382628 at java.lang.Class.forName(Class.java:264)
> 382629 at org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.getComparatorClass(FixedFileTrailer.java:581)
> 382630 ... 14 more
> Ram suggested a one-liner. I tried it and it seems to work.
> diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/FixedFileTrailer.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/FixedFileTrailer.java
> index 672919d..1a22cd6 100644
> --- a/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/FixedFileTrailer.java
> +++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/FixedFileTrailer.java
> @@ -570,7 +570,7 @@ public class FixedFileTrailer {
> || (comparatorClassName
> .equals("org.apache.hadoop.hbase.CellComparator$MetaCellComparator"))) {
> comparatorKlass = MetaCellComparator.class;
> - } else if (comparatorClassName.equals("org.apache.hadoop.hbase.KeyValue.RawBytesComparator")
> + } else if (comparatorClassName.equals("org.apache.hadoop.hbase.KeyValue$RawBytesComparator")
> || comparatorClassName.equals("org.apache.hadoop.hbase.util.Bytes$ByteArrayComparator")) {
> // When the comparator to be used is Bytes.BYTES_RAWCOMPARATOR, we just return null from here
> // Bytes.BYTES_RAWCOMPARATOR is not a CellComparator
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