Probably not a lot of help here: [INFO] Trace org.apache.maven.lifecycle.LifecycleExecutionException: Error deploying artifact: Error transferring file at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:719) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:569) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:539) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:284) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) at org.codehaus.classworlds.Launcher.main(Launcher.java:375) Caused by: org.apache.maven.plugin.MojoExecutionException: Error deploying artifact: Error transferring file at org.apache.maven.plugin.deploy.DeployFileMojo.execute(DeployFileMojo.java:244) at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694) ... 17 more Caused by: org.apache.maven.artifact.deployer.ArtifactDeploymentException: Error deploying artifact: Error transferring file at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy(DefaultArtifactDeployer.java:121) at org.apache.maven.plugin.deploy.DeployFileMojo.execute(DeployFileMojo.java:240) ... 19 more Caused by: org.apache.maven.wagon.TransferFailedException: Error transferring file at org.apache.maven.wagon.providers.http.LightweightHttpWagon.finishPutTransfer(LightweightHttpWagon.java:213) at org.apache.maven.wagon.AbstractWagon.putTransfer(AbstractWagon.java:413) at org.apache.maven.wagon.AbstractWagon.transfer(AbstractWagon.java:392) at org.apache.maven.wagon.AbstractWagon.putTransfer(AbstractWagon.java:365) at org.apache.maven.wagon.StreamWagon.put(StreamWagon.java:163) at org.apache.maven.artifact.manager.DefaultWagonManager.putRemoteFile(DefaultWagonManager.java:317) at org.apache.maven.artifact.manager.DefaultWagonManager.putArtifact(DefaultWagonManager.java:227) at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy(DefaultArtifactDeployer.java:107) ... 20 more Caused by: java.io.IOException: Error writing to server at sun.net.www.protocol.http.HttpURLConnection.writeRequests(HttpURLConnection.java:578) at sun.net.www.protocol.http.HttpURLConnection.writeRequests(HttpURLConnection.java:590) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1193) at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:379) at org.apache.maven.wagon.providers.http.LightweightHttpWagon.finishPutTransfer(LightweightHttpWagon.java:185) ... 27 more
And this is weird. with the -X flag, the command is taking _much_ longer to execute... so long that I suspect it might actually work. Why on earth would the -X flag change the behavior....