# Io/appium/java\_client/MobileElement : Unsupported major.minor version 51.0 **URL:** \ **Category:** Support\ **Created:** [March 12, 2015, 4:27pm UTC](https://discuss.appium.io/t/io-appium-java-client-mobileelement-unsupported-major-minor-version-51-0/3338 "2015-03-12T16:27:34Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![igal\_epshtein](https://discuss.appium.io/user_avatar/discuss.appium.io/igal_epshtein/32/5422_2.png) [@igal\_epshtein](https://discuss.appium.io/u/igal_epshtein)\ **Post date:** [March 12, 2015, 4:27pm UTC](https://discuss.appium.io/t/io-appium-java-client-mobileelement-unsupported-major-minor-version-51-0/3338/1 "2015-03-12T16:27:34Z")
Not sure if it related to Appium , but I’ll try… I have appium test wich is wrapped by jbehave , which is being executed by maven. if I’m executing the test by “mvn clean install” – works fine… if I put the execution to some script file and running it – works fine… The problem starts when I’ve tried to execute the script by using launchd (MAC task scheduler) I’m getting the next error : INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 4.941 s [INFO] Finished at: 2015-03-12T18:21:59+02:00 [INFO] Final Memory: 19M/81M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.jbehave:jbehave-maven-plugin:3.9.5:run-stories-as-embeddables (run-stories) on project AppiumClient: Failed to run stories as embeddables: Failure in running embeddable: appium.client.tets\_runeners.FirstScenario: io/appium/java\_client/MobileElement : Unsupported major.minor version 51.0 -\> [Help 1] As I said , everything works fine by pieces , but the entire flow fails … Any idea ? Thanks ---
**Author:** ![vladisx](https://discuss.appium.io/letter_avatar_proxy/v4/letter/v/d9b06d/32.png) [@vladisx](https://discuss.appium.io/u/vladisx)\ **Post date:** [March 12, 2015, 4:30pm UTC](https://discuss.appium.io/t/io-appium-java-client-mobileelement-unsupported-major-minor-version-51-0/3338/2 "2015-03-12T16:30:34Z")
> [@igal\_epshtein](#): > > Unsupported major.minor version 51.0 This error usually says that you need to run it using java 8 ---
**Author:** ![igal\_epshtein](https://discuss.appium.io/user_avatar/discuss.appium.io/igal_epshtein/32/5422_2.png) [@igal\_epshtein](https://discuss.appium.io/u/igal_epshtein)\ **Post date:** [March 12, 2015, 4:32pm UTC](https://discuss.appium.io/t/io-appium-java-client-mobileelement-unsupported-major-minor-version-51-0/3338/3 "2015-03-12T16:32:10Z")
The thing is that it works , just when I’m trying to execute it by using launchd it fails ---
**Author:** ![vladisx](https://discuss.appium.io/letter_avatar_proxy/v4/letter/v/d9b06d/32.png) [@vladisx](https://discuss.appium.io/u/vladisx)\ **Post date:** [March 12, 2015, 4:42pm UTC](https://discuss.appium.io/t/io-appium-java-client-mobileelement-unsupported-major-minor-version-51-0/3338/4 "2015-03-12T16:42:52Z")
I am not familiar with launchd tool, but maybe it points to different java version ? ---
**Author:** ![igal\_epshtein](https://discuss.appium.io/user_avatar/discuss.appium.io/igal_epshtein/32/5422_2.png) [@igal\_epshtein](https://discuss.appium.io/u/igal_epshtein)\ **Post date:** [March 12, 2015, 4:48pm UTC](https://discuss.appium.io/t/io-appium-java-client-mobileelement-unsupported-major-minor-version-51-0/3338/5 "2015-03-12T16:48:25Z")
my JAVA\_HOME points to the same version which is being using by the project… ---
**Author:** ![igal\_epshtein](https://discuss.appium.io/user_avatar/discuss.appium.io/igal_epshtein/32/5422_2.png) [@igal\_epshtein](https://discuss.appium.io/u/igal_epshtein)\ **Post date:** [March 15, 2015, 2:54pm UTC](https://discuss.appium.io/t/io-appium-java-client-mobileelement-unsupported-major-minor-version-51-0/3338/6 "2015-03-15T14:54:26Z")
Does anyone has a clue ?