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https://issues.apache.org/jira/browse/ARTEMIS-2931?focusedWorklogId=514724&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-514724
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ASF GitHub Bot logged work on ARTEMIS-2931:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 20/Nov/20 17:11
Start Date: 20/Nov/20 17:11
Worklog Time Spent: 10m
Work Description: michaelandrepearce commented on a change in pull
request #3295:
URL: https://github.com/apache/activemq-artemis/pull/3295#discussion_r527836427
##########
File path:
artemis-server/src/main/java/org/apache/activemq/artemis/core/paging/impl/PagingStoreImpl.java
##########
@@ -565,11 +565,12 @@ public boolean checkPageFileExists(final int pageNumber) {
SequentialFileFactory factory = null;
try {
factory = checkFileFactory();
+ SequentialFile file = factory.createSequentialFile(fileName);
+ return file.exists();
} catch (Exception ignored) {
+ assert false : "PagingStoreFactory::newFileFactory never-throws
assumption failed.";
Review comment:
To be clear i am -1 this as assert raises a runtime exception, you may
as well just leave it with npe if youre doing that. Other options have been
chaired by myself and @jbertram and im sure there is alternatives too
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Issue Time Tracking
-------------------
Worklog Id: (was: 514724)
Time Spent: 1h 40m (was: 1.5h)
> Potential null pointer access at several places
> ------------------------------------------------
>
> Key: ARTEMIS-2931
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2931
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Reporter: Petr Kuzel
> Priority: Major
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> Open the artemis-server project in Eclipse. Static analysis reports numerous
> Potential null pointer access. Looking at an example, the static analyzer is
> correct.
> ReplicationEndpoint:
> {code:java}
> public void setChannel(final Channel channel) {
> this.channel = channel;
> if (channel == null) {
> supportResponseBatching = false;
> } else {
> try {
> final CoreRemotingConnection connection = channel.getConnection();
> if (connection != null) {
> this.supportResponseBatching =
> connection.getTransportConnection() instanceof NettyConnection;
> } else {
> this.supportResponseBatching = false;
> }
> } catch (Throwable t) {
> logger.warn("Error while checking the channel connection", t);
> this.supportResponseBatching = false;
> }
> } if (this.channel != null && outgoingInterceptors != null) {
> if (channel.getConnection() instanceof RemotingConnectionImpl) { //
> NPE risk
> {code}
> line 392 the channel can be null.
> line 409 for unknown reason assumes the channel is never null.
>
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