maven packaging exception: java.lang.IllegalArgumentException: Malformed \uxxxx encoding
[ERROR] Malformed \uxxxx encoding.
java.lang.IllegalArgumentException: Malformed \uxxxx encoding. at java.util.Properties.loadConvert (Properties.java:672) at java.util.Properties.load0 (Properties.java:455) at java.util.Properties.load (Properties.java:408) at org.eclipse.aether.internal.impl.TrackingFileManager.read (TrackingFileManager.java:56) at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.read (DefaultUpdateCheckManager.java:511) at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.checkMetadata (DefaultUpdateCheckManager.java:250) at org.eclipse.aether.internal.impl.DefaultMetadataResolver.resolve (DefaultMetadataResolver.java:302) at org.eclipse.aether.internal.impl.DefaultMetadataResolver.resolveMetadata (DefaultMetadataResolver.java:181) at org.apache.maven.repository.internal.DefaultVersionRangeResolver.getVersions (DefaultVersionRangeResolver.java:198) at org.apache.maven.repository.internal.DefaultVersionRangeResolver.resolveVersionRange (DefaultVersionRangeResolver.java:148) at org.apache.maven.repository.internal.DefaultModelResolver.resolveModel (DefaultModelResolver.java:197) at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally (DefaultModelBuilder.java:1070) at org.apache.maven.model.building.DefaultModelBuilder.readParent (DefaultModelBuilder.java:846) at org.apache.maven.model.building.DefaultModelBuilder.build (DefaultModelBuilder.java:337) at org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom (DefaultArtifactDescriptorReader.java:292) at org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor (DefaultArtifactDescriptorReader.java:171) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.resolveCachedArtifactDescriptor (DefaultDependencyCollector.java:538) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.getArtifactDescriptorResult (DefaultDependencyCollector.java:523) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:410) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:362) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process (DefaultDependencyCollector.java:349) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse (DefaultDependencyCollector.java:506) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:458) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:362) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process (DefaultDependencyCollector.java:349) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse (DefaultDependencyCollector.java:506) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:458) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:362) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process (DefaultDependencyCollector.java:349) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse (DefaultDependencyCollector.java:506) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:458) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:362) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process (DefaultDependencyCollector.java:349) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse (DefaultDependencyCollector.java:506) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:458) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:362) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process (DefaultDependencyCollector.java:349) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse (DefaultDependencyCollector.java:506) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:458) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:362) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process (DefaultDependencyCollector.java:349) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse (DefaultDependencyCollector.java:506) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:458) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:362) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process (DefaultDependencyCollector.java:349) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse (DefaultDependencyCollector.java:506) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:458) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency (DefaultDependencyCollector.java:362) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process (DefaultDependencyCollector.java:349) at org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.collectDependencies (DefaultDependencyCollector.java:254) at org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies (DefaultRepositorySystem.java:284) at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve (DefaultProjectDependenciesResolver.java:169) at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies (LifecycleDependencyResolver.java:243) at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies (LifecycleDependencyResolver.java:147) at org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved (MojoExecutor.java:248) at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:202) at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156) at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:81) at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:56) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:128) at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305) at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192) at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105) at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957) at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289) at org.apache.maven.cli.MavenCli.main (MavenCli.java:193) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:78) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke (Method.java:567) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282) at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406) at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347) [ERROR]
Resolution Steps
1. Positioning problem
Find the java.util.Properties.loadConvert() method, in throw new IllegalArgumentException(
“Malformed \uxxxx encoding.”); break point
2. Run maven in debug mode to locate the problem with that file
Convert the convtBuf parameter to a string and view the problematic file
3. Delete the problematic files in the maven local library and then repackage