# Dremio2.1.4 worker start to run error

**URL:** <https://community.dremio.com/t/dremio2-1-4-worker-start-to-run-error/1792>\
**Category:** Uncategorized\
**Created:** [September 9, 2018, 2:57am UTC](https://community.dremio.com/t/dremio2-1-4-worker-start-to-run-error/1792 "2018-09-09T02:57:43Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![bjbhjsj](https://avatars.discourse-cdn.com/v4/letter/b/a9adbd/32.png) [@bjbhjsj](https://community.dremio.com/u/bjbhjsj)\
**Post date:** [September 9, 2018, 2:57am UTC](https://community.dremio.com/t/dremio2-1-4-worker-start-to-run-error/1792/1 "2018-09-09T02:57:43Z")

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Hi,dremio friend:  
when I install the dremio2.1.4 in the centos6.5 . the master is installed sucessflly.  
but when i install the execute nodes and start to run the worker nodes,it is reported the log,at this:  
Sun Sep 9 00:38:09 CST 2018 Starting dremio on node1  
core file size (blocks, -c) 0  
data seg size (kbytes, -d) unlimited  
scheduling priority (-e) 0  
file size (blocks, -f) unlimited  
pending signals (-i) 120261  
max locked memory (kbytes, -l) unlimited  
max memory size (kbytes, -m) unlimited  
open files (-n) 655350  
pipe size (512 bytes, -p) 8  
POSIX message queues (bytes, -q) 819200  
real-time priority (-r) 0  
stack size (kbytes, -s) 10240  
cpu time (seconds, -t) unlimited  
max user processes (-u) unlimited  
virtual memory (kbytes, -v) unlimited  
file locks (-x) unlimited  
Exception in thread “e0” Exception in thread “e2” Exception in thread “e1” java.lang.UnsupportedOperationException  
at net.openhft.affinity.impl.NullAffinity.getThreadId(NullAffinity.java:57)  
at net.openhft.affinity.Affinity.getThreadId(Affinity.java:174)  
at com.dremio.sabot.task.slicing.SlicingThread.run(SlicingThread.java:63)  
Exception in thread “e3” java.lang.UnsupportedOperationException  
at net.openhft.affinity.impl.NullAffinity.getThreadId(NullAffinity.java:57)  
at net.openhft.affinity.Affinity.getThreadId(Affinity.java:174)  
at com.dremio.sabot.task.slicing.SlicingThread.run(SlicingThread.java:63)  
java.lang.UnsupportedOperationException  
at net.openhft.affinity.impl.NullAffinity.getThreadId(NullAffinity.java:57)  
at net.openhft.affinity.Affinity.getThreadId(Affinity.java:174)  
at com.dremio.sabot.task.slicing.SlicingThread.run(SlicingThread.java:63)  
java.lang.UnsupportedOperationException  
at net.openhft.affinity.impl.NullAffinity.getThreadId(NullAffinity.java:57)  
at net.openhft.affinity.Affinity.getThreadId(Affinity.java:174)  
at com.dremio.sabot.task.slicing.SlicingThread.run(SlicingThread.java:63)  
Dremio Daemon Started as worker

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<div class="post-metadata">

**Author:** ![firefly707](https://sea2.discourse-cdn.com/flex020/user_avatar/community.dremio.com/firefly707/32/646_2.png) [@firefly707](https://community.dremio.com/u/firefly707)\
**Post date:** [September 10, 2018, 6:27pm UTC](https://community.dremio.com/t/dremio2-1-4-worker-start-to-run-error/1792/2 "2018-09-10T18:27:39Z")

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Compatibility with CentOS 6 in Dremio v2.1.4 is broken. The fix will be in 2.1.5

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<div class="post-metadata">

**Author:** ![bjbhjsj](https://avatars.discourse-cdn.com/v4/letter/b/a9adbd/32.png) [@bjbhjsj](https://community.dremio.com/u/bjbhjsj)\
**Post date:** [September 25, 2018, 8:57am UTC](https://community.dremio.com/t/dremio2-1-4-worker-start-to-run-error/1792/3 "2018-09-25T08:57:01Z")

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thanks,I will try install again.