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https://issues.apache.org/jira/browse/HBASE-6639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13440056#comment-13440056
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Zhihong Ted Yu commented on HBASE-6639:
---------------------------------------
Looks like there is more than one place where Exception is not caught:
{code}
o = implClass.newInstance();
./hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/CoprocessorHost.java
HLog.Reader reader = logReaderClass.newInstance();
HLog.Writer writer = (HLog.Writer) logWriterClass.newInstance();
return keyClass.newInstance();
./hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLog.java
key = keyClass.newInstance();
./hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/SequenceFileLogReader.java
{code}
> Class.newInstance() can throw any checked exceptions and must be encapsulated
> with catching Exception
> -----------------------------------------------------------------------------------------------------
>
> Key: HBASE-6639
> URL: https://issues.apache.org/jira/browse/HBASE-6639
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.1
> Reporter: Hiroshi Ikeda
> Priority: Minor
>
> There are some logics to call Class.newInstance() without catching Exception,
> for example, in the method CoprocessorHost.loadInstance().
> Class.newInstance() is declared to throw InstantiationException and
> IllegalAccessException but indeed the method can throw any checked exceptions
> without declaration.
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