Fix NoClassDefFoundError for CachingOutputStream by upgrading plexus-utils to 3.6.0 (#118)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: stefanseifert <5614031+stefanseifert@users.noreply.github.com>

Author: Copilot

pom.xml

@@ -176,7 +176,7 @@ under the License.
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-utils</artifactId>
-      <version>3.2.1</version>
+      <version>3.6.0</version>
       <scope>compile</scope>
     </dependency>
     <dependency>

src/it/additional-config-filtering/invoker.properties

@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+invoker.goals = eclipse:clean eclipse:eclipse

src/it/additional-config-filtering/pom.xml

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.apache.maven.plugins.it</groupId>
+  <artifactId>additional-config-filtering</artifactId>
+  <version>1.0.0</version>
+  <packaging>jar</packaging>
+  <name>additional-config-filtering</name>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>io.wcm.devops.maven.plugins</groupId>
+        <artifactId>eclipse-maven-plugin</artifactId>
+        <version>@project.version@</version>
+        <configuration>
+          <additionalConfig>
+            <file>
+              <name>.settings/custom-config.xml</name>
+              <content><![CDATA[<config>
+  <version>${project.version}</version>
+  <artifactId>${project.artifactId}</artifactId>
+</config>]]></content>
+              <filtering>true</filtering>
+            </file>
+          </additionalConfig>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>

src/it/additional-config-filtering/verify.bsh

@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.io.*;
+import java.util.*;
+import org.codehaus.plexus.util.*;
+
+boolean result = true;
+
+try
+{
+  File configFile = new File( basedir, ".settings/custom-config.xml" );
+  if ( !configFile.exists() )
+  {
+    System.err.println( "Expected .settings/custom-config.xml, but file doesn't exist" );
+    return false;
+  }
+
+  String content = FileUtils.fileRead( configFile, "UTF-8" );
+  if ( content.indexOf( "<version>1.0.0</version>" ) < 0 )
+  {
+    System.err.println( "Expected .settings/custom-config.xml to contain '<version>1.0.0</version>' after filtering, but it didn't. Actual content:\n" + content );
+    return false;
+  }
+
+  if ( content.indexOf( "<artifactId>additional-config-filtering</artifactId>" ) < 0 )
+  {
+    System.err.println( "Expected .settings/custom-config.xml to contain '<artifactId>additional-config-filtering</artifactId>' after filtering, but it didn't. Actual content:\n" + content );
+    return false;
+  }
+
+  if ( content.indexOf( "${project.version}" ) >= 0 )
+  {
+    System.err.println( "Expected .settings/custom-config.xml to not contain unresolved '${project.version}' placeholder, but it did. Actual content:\n" + content );
+    return false;
+  }
+}
+catch ( Exception e )
+{
+  e.printStackTrace();
+  result = false;
+}
+return result;