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From Gyula Fóra <gyf...@apache.org>
Subject Taskmanager memory error in Eclipse
Date Sun, 01 Mar 2015 16:03:10 GMT
Hey All,

I am getting a weird error in Eclipse when trying to run local flink
programs for example any batch or streaming example program. I tried
cleaning, rebuilding reimporting etc that didnt help.

Please see the log and stack trace:

....

16:55:04,965 INFO  org.apache.flink.runtime.taskmanager.TaskManager
      - Using *17592186044414* MB for Flink managed memory.
16:55:04,965 INFO  org.apache.flink.runtime.taskmanager.TaskManager
      - Messages between TaskManager and JobManager have a max timeout of
100000 milliseconds
16:55:04,978 INFO  org.apache.flink.runtime.io.disk.iomanager.IOManager
      - I/O manager uses directory
/var/folders/4y/dpsxf3jx5dbgcvc04cv2cnyw0000gn/T/flink-io-3077a345-52c3-423b-886a-ca3aeb8e37cc
for spill files.

16:55:04,983 INFO  org.apache.flink.runtime.taskmanager.TaskManager
      - Starting task manager at akka://flink/user/taskmanager_1.
16:55:04,986 INFO  org.apache.flink.runtime.taskmanager.TaskManager
      - Creating 8 task slot(s).

16:55:04,986 INFO  org.apache.flink.runtime.taskmanager.TaskManager
      - TaskManager connection information localhost (dataPort=58284).
16:55:04,990 ERROR akka.actor.OneForOneStrategy
     - exception during creation

...

And the relevant part of the stack trace:

Caused by: java.lang.IllegalArgumentException: Size of total memory must be
positive.
at org.apache.flink.runtime.memorymanager.DefaultMemoryManager.<init>(
DefaultMemoryManager.java:101)
at org.apache.flink.runtime.taskmanager.TaskManager.<init>(
TaskManager.scala:114)
... 18 more


So it seems that the task managers want to allocate too much memory.

Regards,

Gyula

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