elharo opened a new issue, #512:
URL: https://github.com/apache/maven-ear-plugin/issues/512
## Description
In `AbstractEarModule.java:336-338`, a NullPointerException occurs if
`generateId` is true but the artifact has not been resolved:
```java
if (generateId) {
Artifact theArtifact = getArtifact();
String generatedId = theArtifact.getType().toUpperCase() + "_" +
theArtifact.getGroupId() + "."
+ theArtifact.getArtifactId();
```
`getArtifact()` is documented in the `EarModule` interface as returning
`null` until the artifact is resolved. If a module's artifact is not yet
resolved when `generateId` is true, `.getType()` throws an NPE.
## Expected behavior
Add a null check before generating the ID:
```java
if (generateId) {
Artifact theArtifact = getArtifact();
if (theArtifact == null) {
return;
}
...
}
```
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