kevinrr888 commented on code in PR #5715:
URL: https://github.com/apache/accumulo/pull/5715#discussion_r2208576577
##########
core/src/main/java/org/apache/accumulo/core/clientImpl/TableOperationsImpl.java:
##########
@@ -1123,7 +1123,7 @@ private Map<String,String>
modifyPropertiesUnwrapped(String tableName,
} catch (AccumuloException ae) {
Throwable cause = ae.getCause();
if (cause instanceof TableNotFoundException) {
- throw new TableNotFoundException(null, tableName, null, ae);
+ throw (TableNotFoundException) cause;
}
Review Comment:
> Each exception has stack trace associated with it. Omitting exceptions and
throwing a cause omits these stack traces from anyone who may be looking at
them to debug a problem. This can make tracking down causes of problems harder,
like you may not even know that a thread took a certain path in the code.
Good point... We do lose the exact tracing in this current impl
> What was the problem you were seeing?
I think the problem I was seeing was related to this:
```
} catch (AccumuloException ae) {
Throwable cause = ae.getCause();
if (cause instanceof TableNotFoundException) {
throw new TableNotFoundException(null, tableName, null, ae);
}
throw ae;
}
```
I was seeing `AccumuloException`s unexpectedly and wasn't sure why, now
looking back I realize its because we have the cause of the
`TableNotFoundException` as the `AccumuloException` which isn't quite right.
The cause of the `TableNotFoundException` is `cause.getCause()`. The
`TableNotFoundException` is just wrapped in an `AccumuloException`
I think probably either:
`throw new TableNotFoundException(null, tableName, null, cause.getCause());`
or
`throw (TableNotFoundException) cause`
Would work here, but I lean towards the latter since the first case is
essentially the second case in a more roundabout way.
As for the lost tracing, `addSuppressed(ae)` seems good to me and I can make
these changes. It unfortunately doesn't seem like there is a nicer way to
preserve the info in `ae` while still throwing the proper exception.
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