[
https://issues.apache.org/jira/browse/HBASE-22870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
ranpanfeng updated HBASE-22870:
-------------------------------
Description:
HMaster crashes at org/apache/hadoop/hbase/regionserver/HRegionServer.java:1044
**A private static nested class can not be instantiated via reflection.**
**code snippet**
```
try {
abortTimeoutTask =
Class.forName(conf.get(ABORT_TIMEOUT_TASK,
SystemExitWhenAbortTimeout.class.getName()))
.asSubclass(TimerTask.class).getDeclaredConstructor().newInstance();
} catch (Exception e) {
LOG.warn("Initialize abort timeout task failed", e);
}
```
**log in product environtment**
```
2019-08-16 18:01:40,737 [WARN ] HRegionServer:1046 Initialize abort timeout
task failed
java.lang.IllegalAccessException: Class
org.apache.hadoop.hbase.regionserver.HRegionServer can not access a member of
class org.apache.hadoop.hbase.regionss
erver.HRegionServer$SystemExitWhenAbortTimeout with modifiers "private"
at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:102)
at
java.lang.reflect.AccessibleObject.slowCheckMemberAccess(AccessibleObject.java:296)
at java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:288)
at java.lang.reflect.Constructor.newInstance(Constructor.java:413)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:1044)
at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:598)
```
> reflection fails to access a private nested class
> -------------------------------------------------
>
> Key: HBASE-22870
> URL: https://issues.apache.org/jira/browse/HBASE-22870
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 2.1.5
> Reporter: ranpanfeng
> Priority: Major
> Fix For: 2.1.5
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> HMaster crashes at
> org/apache/hadoop/hbase/regionserver/HRegionServer.java:1044
> **A private static nested class can not be instantiated via reflection.**
> **code snippet**
> ```
> try {
> abortTimeoutTask =
> Class.forName(conf.get(ABORT_TIMEOUT_TASK,
> SystemExitWhenAbortTimeout.class.getName()))
> .asSubclass(TimerTask.class).getDeclaredConstructor().newInstance();
> } catch (Exception e) {
> LOG.warn("Initialize abort timeout task failed", e);
> }
> ```
> **log in product environtment**
> ```
> 2019-08-16 18:01:40,737 [WARN ] HRegionServer:1046 Initialize abort timeout
> task failed
> java.lang.IllegalAccessException: Class
> org.apache.hadoop.hbase.regionserver.HRegionServer can not access a member of
> class org.apache.hadoop.hbase.regionss
> erver.HRegionServer$SystemExitWhenAbortTimeout with modifiers "private"
> at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:102)
> at
> java.lang.reflect.AccessibleObject.slowCheckMemberAccess(AccessibleObject.java:296)
> at java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:288)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:413)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:1044)
> at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:598)
> ```
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