slawekjaranowski commented on PR #253:
URL:
https://github.com/apache/maven-plugin-tools/pull/253#issuecomment-1872082488
Parameter list can be null ... we also need a fix like:
```diff
---
a/maven-plugin-report-plugin/src/main/java/org/apache/maven/plugins/plugin/descriptor/EnhancedPluginDescriptorBuilder.java
+++
b/maven-plugin-report-plugin/src/main/java/org/apache/maven/plugins/plugin/descriptor/EnhancedPluginDescriptorBuilder.java
@@ -21,9 +21,11 @@ package org.apache.maven.plugins.plugin.descriptor;
import java.io.Reader;
import java.net.URI;
import java.util.ArrayList;
+import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
+import java.util.Optional;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.plugin.descriptor.Parameter;
@@ -87,7 +89,8 @@ public class EnhancedPluginDescriptorBuilder extends
PluginDescriptorBuilder {
PlexusConfiguration[] parameterConfigurations =
c.getChild("parameters").getChildren("parameter");
- List<Parameter> parameters = new
ArrayList<>(mojoDescriptor.getParameters());
+ List<Parameter> parameters = new ArrayList<>(
+
Optional.ofNullable(mojoDescriptor.getParameters()).orElseGet(Collections::emptyList));
Map<String, Parameter> parameterMap = new
LinkedHashMap<>(mojoDescriptor.getParameterMap());
for (PlexusConfiguration d : parameterConfigurations) {
@@ -108,7 +111,9 @@ public class EnhancedPluginDescriptorBuilder extends
PluginDescriptorBuilder {
}
// clear() is required for maven < 3.6.2
- mojoDescriptor.getParameters().clear();
+ if (mojoDescriptor.getParameters() != null) {
+ mojoDescriptor.getParameters().clear();
+ }
```
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