Unity build android error, Illegal characters in path？ with complete log.

ArgumentException: Illegal characters in path.
System.IO.Path.Combine (System.String path1, System.String path2) (at <c8d0d7b9135640958bff528a1e374758>:0)
UnityEditor.Android.AndroidComponentProperties.Read (System.String directory) (at <267278aa48b840c7a0e7281223ea050e>:0)
UnityEditor.Android.AndroidComponentProperties.GetPackageRevision (System.String directory) (at <267278aa48b840c7a0e7281223ea050e>:0)
UnityEditor.Android.AndroidSDKTools.BuildToolsVersion () (at <267278aa48b840c7a0e7281223ea050e>:0)
UnityEditor.Android.PostProcessor.Tasks.CheckAndroidSDK+SDKBuildToolsDetector.GetVersion (UnityEditor.Android.AndroidSDKTools sdkTools, UnityEditor.Android.AndroidJavaTools javaTools) (at <267278aa48b840c7a0e7281223ea050e>:0)
UnityEditor.Android.PostProcessor.Tasks.CheckAndroidSDK+SDKComponentDetector.Detect (UnityEditor.Android.AndroidSDKTools sdkTools, UnityEditor.Android.AndroidJavaTools javaTools, System.Version minVersion, UnityEditor.Android.PostProcessor.ProgressHandler onProgress) (at <267278aa48b840c7a0e7281223ea050e>:0)
UnityEditor.Android.PostProcessor.Tasks.CheckAndroidSDK.EnsureSDKComponentVersion (UnityEditor.Android.AndroidJavaTools javaTools, System.Version minVersion, UnityEditor.Android.PostProcessor.Tasks.CheckAndroidSDK+SDKComponentDetector detector) (at <267278aa48b840c7a0e7281223ea050e>:0)
UnityEditor.Android.PostProcessor.Tasks.CheckAndroidSDK.Execute (UnityEditor.Android.PostProcessor.PostProcessorContext context) (at <267278aa48b840c7a0e7281223ea050e>:0)
UnityEditor.Android.PostProcessor.PostProcessRunner.RunAllTasks (UnityEditor.Android.PostProcessor.PostProcessorContext context) (at <267278aa48b840c7a0e7281223ea050e>:0)
UnityEditor.Android.PostProcessAndroidPlayer.PrepareForBuild (UnityEditor.BuildOptions options, UnityEditor.BuildTarget target) (at <267278aa48b840c7a0e7281223ea050e>:0)
UnityEditor.Android.AndroidBuildPostprocessor.PrepareForBuild (UnityEditor.BuildOptions options, UnityEditor.BuildTarget target) (at <267278aa48b840c7a0e7281223ea050e>:0)
UnityEditor.PostprocessBuildPlayer.PrepareForBuild (UnityEditor.BuildOptions options, UnityEditor.BuildTargetGroup targetGroup, UnityEditor.BuildTarget target) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/PostprocessBuildPlayer.cs:106)
UnityEngine.GUIUtilityrocessEvent(Int32, IntPtr) (at C:/buildslave/unity/build/Modules/IMGUI/GUIUtility.cs:179)

 

I think my jdk is configured correctly, running java -version gives the correct version log.
Android sdk is also fine.
So what else could be wrong??

 

I think it's that little smiley with the tongue sticking out

on a serious note, check your names, it's a clear indicator that something somewhere is using invalid characters to identify a file or folder or project or whatever. stick to A-Z, digits, and underscore.

 

now that you mentioned java, try looking on google with "unity java Illegal characters in path" there are some trick switches I've seen on Unity Answers. might help.

 

Had the same error. It was caused by having an invalid version string in Project Settings.

 

How it could be fixed?

 

You can see your project version in Edit > Project Settings.

In the Project Settings window, click Player on the left side and see the Version textbox at the top. The version string should only contain numbers and periods in the format "#.#.#". E.g., "1.2.30". There can be multiple numbers in each group. In my case, the version string accidentally had some rich text tags which are not allowed.