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[Database character set migration DMU 19.1] DMU is not responding after using schedule column option

Khang MaiFeb 18 2020 — edited Feb 18 2020

Hi everyone,

Issue:

  • I am facing an issue with DMU 19.1 which is the DMU application is not responding (frozen or crashed) after I cleansed the data by using schedule column the issue (the issue is over column limit). It happens frequently and whenever this occurs, I have to use the task manager to end the DMU application.

Here is my summary of the setting:

  • The DMU is installed on a Window Server 2008 R2 SP1 client machine which connects to the Oracle Database Server 11.2.0.4. The host of the database server is Linux base.
  • The JDK that DMU is currently using is JDK 1.8.0_231 
  • The DMU was installed all the packages that requires from DMU document including creating a separated tablespace for DMU repository.
  • The DMU will be used to convert the character set for a database with the size is greater than 1.5 TB storage.
  • I was able to scan the entire database and now I am in cleansing data step, and this issue happened.

Looking at the log, I was able to find the cause. Due to privacy, I could not copy all the log into here. Instead, I will try to write down the log issue as much as I can. Here is the log message:

  • Main; S; 05001 Exception call stack in Java.lang.ArrayIndexOutofBounds Exception -2 at Java.Util.ArrayList.elementData (ArrayList.Java: 422) at Java.Util.ArrayList.get (ArrayList.Java: 435) at oracle.duma.gui.cleansing.cache.defaultCachePage.getObject (defaultCachePage.Java: 96) at oracle.dmu.gui.cleansing.cache.defaultDataProvider.getCellData (defaultDataProvider.Java: 262) at oracle.duma.gui.cleansing.model.cleansingDataGridModel.getOriginalDataAt (cleansingDataGridModel.Java: 1218) ....
  • The rest of the log was exceptions throws from Java.wing and java.awt. For example. JComponent . Java 5158, 1065, 889 or Javax.swing.bufferStrategyPaintManager 290 and so on.

My attempt :

  • I think I may try to find some solutions if I read the ide.conf or dmu.conf, but I could not find much about this information or any documents on this subject.

Please, let me know what I should do or what I should analyze this issue.

Best,

Khang Mai
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Added on Feb 18 2020
#database-and-application-migrations
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