jdanekrh commented on a change in pull request #2650: ARTEMIS-2320 Multiple
math-related fixes
URL: https://github.com/apache/activemq-artemis/pull/2650#discussion_r279201613
##########
File path:
artemis-journal/src/main/java/org/apache/activemq/artemis/core/io/mapped/MappedSequentialFile.java
##########
@@ -110,7 +110,7 @@ public void open(int maxIO, boolean useExecutor) throws
IOException {
@Override
public boolean fits(int size) {
checkIsOpen();
- final long newPosition = this.mappedFile.position() + size;
+ final long newPosition = (long) this.mappedFile.position() + size;
final boolean hasRemaining = newPosition <= this.mappedFile.length();
Review comment:
```
jshell> Integer.MAX_VALUE + Integer.MAX_VALUE
$2 ==> -2
jshell> (long) Integer.MAX_VALUE + Integer.MAX_VALUE
$3 ==> 4294967294
```
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