Hi, Yes, already fixed in 0.9.0-RCx
Jialin Qiao Xiangdong Huang <[email protected]> 于2019年12月18日周三 下午7:37写道： > Hi, > > Is this issue affected in 0.9.0 and fixed in 0.9.0? > > Best, > ----------------------------------- > Xiangdong Huang > School of Software, Tsinghua University > > 黄向东 > 清华大学 软件学院 > > > Jialin Qiao (Jira) <[email protected]> 于2019年12月18日周三 下午3:35写道： > > > > > [ > > > https://issues.apache.org/jira/browse/IOTDB-319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel > > ] > > > > Jialin Qiao closed IOTDB-319. > > ----------------------------- > > Fix Version/s: 0.9.0 > > Resolution: Fixed > > > > > java deadlock (not sure how to reproduce) > > > ----------------------------------------- > > > > > > Key: IOTDB-319 > > > URL: https://issues.apache.org/jira/browse/IOTDB-319 > > > Project: Apache IoTDB > > > Issue Type: Bug > > > Affects Versions: 0.9.0 > > > Reporter: xiangdong Huang > > > Priority: Major > > > Labels: hard, pull-request-available > > > Fix For: 0.9.0 > > > > > > Attachments: deadlock.out > > > > > > Time Spent: 20m > > > Remaining Estimate: 0h > > > > > > Hi, > > > my colleague gives me an IoTDB instance which has no response for > > "select " SQL. > > > (but for Schema query sql, it works). > > > I used jstack to check the process and find a deadlock, you can get the > > detailed info in the attachment. > > > > > > Found one Java-level deadlock: > > > ============================= > > > "pool-2-IoTDB-JDBC-Client-thread-16": > > > waiting to lock monitor 0x00007fdab800ff68 (object 0x00000003c7163218, > > a org.apache.iotdb.db.query.control.FileReaderManager), > > > which is held by "pool-2-IoTDB-JDBC-Client-thread-3" > > > "pool-2-IoTDB-JDBC-Client-thread-3": > > > waiting for ownable synchronizer 0x00000003c6106f40, (a > > java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync), > > > which is held by "MergeThread-0" > > > "MergeThread-0": > > > waiting to lock monitor 0x00007fdab800ff68 (object 0x00000003c7163218, > > a org.apache.iotdb.db.query.control.FileReaderManager), > > > which is held by "pool-2-IoTDB-JDBC-Client-thread-3" > > > > > > > > > > > > > > -- > > This message was sent by Atlassian Jira > > (v8.3.4#803005) > > > -- ————————————————— Jialin Qiao School of Software, Tsinghua University 乔嘉林 清华大学 软件学院
