Java Question SLC & Java 11

[divinglog]

Hello

Since switching to Open JDK 11 my library does not seem to compile anymore using SLC. When I switch back to JDK 1.8, everything compiles just fine again. So for now I keep both and when I have to compile my library I temporarily switch to Java 8 and then for compiling my app I switch back to Java 11 in the configure path dialog.

So my questions are:

- I guess this is no problem using two different Java versions for the lib vs. app
- Do you need any details/help addressing the issue with Java 11 and SLC?
- If this is going to be a long term issue, I think a separate option in SLC to use a different Java version than B4A would be a good idea, so I don't have to change it in the B4A path dialog every time

Thank you!

 

[DonManfred]

SLC does work fine with Java 11 downloaded from b4x.com

 

[divinglog]

SLC works, but there are compiler warnings and the compiled library does not work. Switching to JDK 1.8 fixes the issue. Maybe the problem is with the Java code, but I don't know.

Java 11:

Starting step: Compiling Java code.
javac 11.0.1

Completed successfully.
Starting step: Creating jar file.
Completed successfully.
Starting step: Creating XML file.
...
finish: xxx.xml
85 warnings

Completed successfully.
*** Don't forget to refresh the libraries list in the IDE (right click and choose Refresh) ***

Java 8:

Starting step: Compiling Java code.
Completed successfully.
Starting step: Creating jar file.
Completed successfully.
Starting step: Creating XML file.
...
finish: xxx.xml

Completed successfully.
*** Don't forget to refresh the libraries list in the IDE (right click and choose Refresh) ***

 

[DonManfred]

Simple Library Compiler
Starting step: Compiling Java code.
exists: True
exists2: True
javac 11.0.1

Completed successfully.
Starting step: Creating jar file.
Completed successfully.
Starting step: Creating XML file.
Loading source file E:\B4ALibs.workspace\ChilkatBundle\src\com\chilkatsoft\chilkat.java...
Loading source file E:\B4ALibs.workspace\ChilkatBundle\src\com\chilkatsoft\chilkatJNI.java...
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Loading source file E:\B4ALibs.workspace\ChilkatBundle\src\com\chilkatsoft\CkAtom.java...
Loading source file E:\B4ALibs.workspace\ChilkatBundle\src\com\chilkatsoft\CkAuthAws.java...
Loading source file E:\B4ALibs.workspace\ChilkatBundle\src\com\chilkatsoft\CkAuthAzureAD.java...
Loading source file E:\B4ALibs.workspace\ChilkatBundle\src\com\chilkatsoft\CkAuthAzureSAS.java...
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Loading source file E:\B4ALibs.workspace\ChilkatBundle\src\com\chilkatsoft\CkCert.java...
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Loading source file E:\B4ALibs.workspace\ChilkatBundle\src\de\donmanfred\CkAuthGooglewrapper.java...
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Loading source file E:\B4ALibs.workspace\ChilkatBundle\src\de\donmanfred\CkCertwrapper.java...
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Loading source file E:\B4ALibs.workspace\ChilkatBundle\src\de\donmanfred\CkZipCrcwrapper.java...
Constructing Javadoc information...
[-doclet, BADoclet]
[-docletpath, E:\Basic4android\SimpleLibraryCompiler]
[-doclet, BADoclet]
[-docletpath, E:\Basic4android\SimpleLibraryCompiler]
[-classpath, E:\B4J\B4J.exe\../libraries\jFX.jar;E:\B4J\B4J.exe\../libraries\jCore.jar;C:\Java\jdk-11.0.1\bin\..\jre\lib\jfxrt.jar;]
[-sourcepath, src]
[-b4atarget, E:\B4XAdditionallibs\B4J\ChilkatBundle.xml]
[-b4aignore, io.fouad,com.chilkatsoft,com.futronictech,org,com.android,com.example,com.hoho]
Ignoring: [io.fouad, com.chilkatsoft, com.futronictech, org, com.android, com.example, com.hoho]
starting....
Working with class: de.donmanfred.CkAuthGooglewrapper
Working with class: de.donmanfred.CkBinDatawrapper
Working with class: de.donmanfred.CkCertwrapper
Working with class: de.donmanfred.CkDateObjwrapper
Working with class: de.donmanfred.CkDateTimewrapper
Working with class: de.donmanfred.CkEmailBundlewrapper
Working with class: de.donmanfred.CkEmailwrapper
Working with class: de.donmanfred.CkFileAccesswrapper
Working with class: de.donmanfred.CkFtp2Progresswrapper
Working with class: de.donmanfred.CkFtp2wrapper
Working with class: de.donmanfred.CkGlobalwrapper
Working with class: de.donmanfred.CkHttpwrapper
Working with class: de.donmanfred.CkImapwrapper
Working with class: de.donmanfred.CkJavaKeyStorewrapper
Working with class: de.donmanfred.CkJsonObjectwrapper
Working with class: de.donmanfred.CkJwtwrapper
Working with class: de.donmanfred.CkPemwrapper
Working with class: de.donmanfred.CkPfxwrapper
Working with class: de.donmanfred.CkPrivateKeywrapper
Working with class: de.donmanfred.CkPrngwrapper
Working with class: de.donmanfred.CkPublicKeywrapper
Working with class: de.donmanfred.CkRestwrapper
Working with class: de.donmanfred.CkRsawrapper
Working with class: de.donmanfred.CkSftpDirwrapper
Working with class: de.donmanfred.CkSftpFilewrapper
Working with class: de.donmanfred.CkSFtpProgresswrapper
Working with class: de.donmanfred.CkSFtpwrapper
Working with class: de.donmanfred.CkSocketwrapper
Working with class: de.donmanfred.CkSshKeywrapper
Working with class: de.donmanfred.CkSshTunnelwrapper
Working with class: de.donmanfred.CkSshwrapper
Working with class: de.donmanfred.CkStreamwrapper
Working with class: de.donmanfred.CkStringArraywrapper
Working with class: de.donmanfred.CkStringBuilderwrapper
Working with class: de.donmanfred.CkStringwrapper
Working with class: de.donmanfred.CkTaskwrapper
Working with class: de.donmanfred.CkUrlwrapper
Working with class: de.donmanfred.CkWebSocketwrapper
Working with class: de.donmanfred.CkZipCrcwrapper
finish: E:\B4XAdditionallibs\B4J\ChilkatBundle.xml

Completed successfully.
*** Don't forget to refresh the libraries list in the IDE (right click and choose Refresh) ***

Note that i used SLC V1.11

 

[divinglog]

Yes, I'm also using SLC 1.11. I think the problem I'm seeing might be the same as described here:

https://www.b4x.com/android/forum/t...ublished-library-warnings.119169/#post-745207

The problem is I don't see any details about the 85 warnings.

 

[Erel]

I recommend you to use Java 8 for now with B4A. There are no advantages to Java 11 over 8 with B4A.

 

[divinglog]

OK, thank you Erel! I will stick to Java 8 for now, no problem.