[jira] [Resolved] (ARTEMIS-2931) Potential null pointer access at several places

["Justin Bertram (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARTEMIS-2931?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Justin Bertram resolved ARTEMIS-2931.
-------------------------------------
    Fix Version/s: 2.18.0
       Resolution: Fixed

>  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
>             Fix For: 2.18.0
>
>          Time Spent: 2h 50m
>  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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