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FIXING by installing Java ver 8 as Erel Uziel reply ::::::: Hi, See these search results: https://www.b4x./?query=+Unsupported+major.mi nor+version+52.0 Best regards, Erel Uziel Anywhere Software

Okey i solved it, my enviroment variable was pointed to JRE 1.7.XXXX, changed to JRE 1.8.XXXX and worked like a charm. Unsupported major.minor version 52.0 <--- this has nothing to do with the Java JDK version, it is a kind of error code. silly me...
link: Program started. App identifier: b4j.example.main Success: true StdOut: StdErr: java.lang.UnsupportedClassVersionError: : Unsupported major.minor ve
link: When I run the source code from post 1 I get the following error in the IDE log: java.lang.ExceptionInInitializerError Caused by: java.lang.RuntimeE

getting error java.lang.UnsupportedClassVersionError: : Unsupported major.minor version 52.0
link: Hi, I get this in Logs at first run both Demo and Template: java.lang.UnsupportedClassVersionError: : Unsupported major.minor version 52.0 Any idea
link: Hi Alwaysbusy This looks amazing. I tried to run it in b4j and I get the following error. I previously upgraded java to version 8 update 66 I get it

descriptionStartIndex, descriptionEndIndex - descriptionStartIndex, charset); int objectDataStartIndex = descriptionEndIndex + delimiterLength(encoding); byte objectData = Arrays.copyOfRange(data, objectDataStartIndex, data.length); return new GeobFrame(mimeType, filename, desc

Sqlite-jdbc version 3.39.3.0 (2022.09.09) available for download HERE Features support Statement.execute methods with autoGeneratedKeys parameter ResultSetMetaData.getColumnClassName returns more accurate type Fixes JRE crash on connection close with CommitListener and auto commit disabled S

grazie per la risposta Ho letto bene il post, ho dato quindi questo comando: C:\java\jdk-11.0.1\bin\java.exe --module-path c:\java\javafx-sdk-20.0.2\lib --add-modules=javafx.controls,javafx.fxml,javafx.web -jar C:\tmp\B4XIDEViewer.jar ma purtroppo ancora non funziona, ora il messaggio di errore è:

Keys Dim bcn As mBeacon = iBeacons.Get(k) log($"${bcn.uniqueid} ${bcn.name} ${bcn.Major} ${bcn.Minor} ${bcn.rssi} ${bcn.TX}"$) Next Else log("svc_ble::No Beacons found " ) End I

When try to run or debug the Push Server, output this error: java.lang.UnsupportedClassVersionError: $Customizer : Unsupported major.minor version 52.0 I´m using B4J v4.20 and the PushServer I got today in the first post thanks
link: All fine here: - B4J v4.20 - OKHTTP v1.01 - Jserver v2.51 - java jdk1.8.0_45 Maybe a Java JDK related error : see http://stackoverflow.-to-jetty-9-3
link: i receive an errore message: Error connecting socket: (EOFException) java.io.EOFException: SSL peer shut down incorrectly java.lang.UnsupportedOperati
link: thanks, i've installed the server and it runs. But i always receive the error: Error connecting socket: (EOFException) java.io.EOFException: SSL peer

A quick search will reveal the answer: https://www.b4x./?query=Unsupported+major.minor+version+52.0 You need to install Java 8.
link: (1.33s) Convert byte code - optimized dex. Error java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor vers

run(PlatformImpl.java:179) at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:76) at com.sun.glass.ui.win.WinApplication._runLoop(Native Method) at com.sun.glass.ui.win.WinApplication.access$100(WinApplication.java:17) at com.sun.glass.ui.win.WinApplicati

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