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https://issues.apache.org/jira/browse/DIRMINA-741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Emmanuel Lecharny closed DIRMINA-741.
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> An autoexpandable IoBuffer becomes non-autoexpandable after slicing
> -------------------------------------------------------------------
>
> Key: DIRMINA-741
> URL: https://issues.apache.org/jira/browse/DIRMINA-741
> Project: MINA
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0.0-M6, 2.0.0-RC1
> Reporter: Roger Kapsi
>
> Hi,
> an auto-expandable IoBuffer becomes non-auto-expandable in MINA 2.0 after
> slicing, duplicating...
> {code:title=AbstractIoBuffer.java}
> @Override
> public final IoBuffer slice() {
> recapacityAllowed = false;
> return slice0();
> }
> {code}
> {code}
> @Test
> public void autoExpand() {
> IoBuffer buffer = IoBuffer.allocate(8, false);
> buffer.setAutoExpand(true);
>
> TestCase.assertTrue("Should AutoExpand", buffer.isAutoExpand());
>
> IoBuffer slice = buffer.slice();
> TestCase.assertTrue("Should AutoExpand", buffer.isAutoExpand());
> TestCase.assertFalse("Should *NOT* AutoExpand", slice.isAutoExpand());
> }
> {code}
> The documentation for IoBuffer says only Derived Buffers become
> non-auto-expandable.
> {quote}
> Derived buffers are the buffers which were created by duplicate(), slice(),
> or asReadOnlyBuffer(). They are useful especially when you broadcast the same
> messages to multiple IoSessions. Please note that the buffer derived from and
> its derived buffers are not both auto-expandable neither auto-shrinkable.
> Trying to call setAutoExpand(boolean) or setAutoShrink(boolean) with true
> parameter will raise an IllegalStateException.
> {quote}
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