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https://issues.apache.org/jira/browse/SYSTEMML-616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15227059#comment-15227059
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Deron Eriksson edited comment on SYSTEMML-616 at 4/5/16 8:25 PM:
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Here is a hierarchy of SystemML exceptions:
{code}
Throwable
┗ Exception
┣ DMLException (323 matches)
┃ ┣ AppException (not used)
┃ ┣ DMLDebuggerException (13 matches)
┃ ┣ DMLRuntimeException (3,689 matches)
┃ ┃ ┣ CacheException (82 matches)
┃ ┃ ┃ ┣ CacheIOException (26 matches)
┃ ┃ ┃ ┗ CacheStatusException (18 matches)
┃ ┃ ┗ DMLScriptException (39 matches)
┃ ┣ DMLUnsupportedOperationException (1,068 matches)
┃ ┣ HopsException (748 matches)
┃ ┣ LanguageException (390 matches)
┃ ┗ LopsException (596 matches)
┣ ParseException (320 matches)
┃ ┗ DMLParseException (50 matches)
┗ RuntimeException
┗ PackageRuntimeException (70 matches)
{code}
was (Author: deron):
Here is a hierarchy of SystemML exceptions:
{code}
Throwable
┗ Exception
┣ DMLException (323 matches)
┃ ┣ AppException (not used)
┃ ┣ DMLDebuggerException (13 matches)
┃ ┣ DMLRuntimeException (3,689 matches)
┃ ┃ ┣ CacheException (82 matches)
┃ ┃ ┃ ┣ CacheIOException (26 matches)
┃ ┃ ┃ ┗ CacheStatusException (18 matches)
┃ ┃ ┗ DMLScriptException (39 matches)
┃ ┣ DMLUnsupportedOperationException (1,068 matches)
┃ ┣ HopsException (748 matches)
┃ ┣ LanguageException (390 matches)
┃ ┗ LopsException (596 matches)
┣ ParseException (320 matches)
┃ ┗ DMLParseException (50 matches)
┗ RuntimeException
┗ PackageRuntimeException (70 matches)
{code}
> Cleanup exception handling apis/compiler/runtime
> ------------------------------------------------
>
> Key: SYSTEMML-616
> URL: https://issues.apache.org/jira/browse/SYSTEMML-616
> Project: SystemML
> Issue Type: Improvement
> Components: APIs, Compiler, Runtime
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
>
> 1) Remove unnecessary exceptions (e.g., various subclasses of CacheException,
> DMLUnsupportedOperationException, AppException)
> 2) Fuse unnecessary deep exception hierarchies (e.g., DMLParseException)
> 3) Reinvestigation uncaught vs caught exceptions
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