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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2018/06/16 17:39:00 UTC
[jira] [Created] (HBASE-20744) Address FindBugs warnings in
branch-1
Ted Yu created HBASE-20744:
------------------------------
Summary: Address FindBugs warnings in branch-1
Key: HBASE-20744
URL: https://issues.apache.org/jira/browse/HBASE-20744
Project: HBase
Issue Type: Bug
Reporter: Ted Yu
From https://builds.apache.org/job/HBase%20Nightly/job/branch-1/350//JDK8_Nightly_Build_Report_(Hadoop2)/ :
{code}
FindBugs module:hbase-common
Inconsistent synchronization of org.apache.hadoop.hbase.io.encoding.EncodedDataBlock$BufferGrabbingByteArrayOutputStream.ourBytes; locked 50% of time Unsynchronized access at EncodedDataBlock.java:50% of time Unsynchronized access at EncodedDataBlock.java:[line 258]
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{code}
FindBugs module:hbase-hadoop2-compat
java.util.concurrent.ScheduledThreadPoolExecutor stored into non-transient field MetricsExecutorImpl$ExecutorSingleton.scheduler At MetricsExecutorImpl.java:MetricsExecutorImpl$ExecutorSingleton.scheduler At MetricsExecutorImpl.java:[line 51]
{code}
{code}
FindBugs module:hbase-server
instanceof will always return false in org.apache.hadoop.hbase.quotas.RegionServerQuotaManager.checkQuota(Region, int, int, int), since a org.apache.hadoop.hbase.quotas.RpcThrottlingException can't be a org.apache.hadoop.hbase.quotas.ThrottlingException At RegionServerQuotaManager.java:in org.apache.hadoop.hbase.quotas.RegionServerQuotaManager.checkQuota(Region, int, int, int), since a org.apache.hadoop.hbase.quotas.RpcThrottlingException can't be a org.apache.hadoop.hbase.quotas.ThrottlingException At RegionServerQuotaManager.java:[line 193]
instanceof will always return true for all non-null values in org.apache.hadoop.hbase.quotas.RegionServerQuotaManager.checkQuota(Region, int, int, int), since all org.apache.hadoop.hbase.quotas.RpcThrottlingException are instances of org.apache.hadoop.hbase.quotas.RpcThrottlingException At RegionServerQuotaManager.java:for all non-null values in org.apache.hadoop.hbase.quotas.RegionServerQuotaManager.checkQuota(Region, int, int, int), since all org.apache.hadoop.hbase.quotas.RpcThrottlingException are instances of org.apache.hadoop.hbase.quotas.RpcThrottlingException At RegionServerQuotaManager.java:[line 199]
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