Cannot launch IGV under Windows 10

[Achim Schnaufer]

Hello. I just installed IGV_2.17.4 under Windows 10. Java 1.8.0_411 was already installed and running (running java - version in the terminal confirms this). When I try to launch IGV by double-clicking either of the .bat files, a window very briefly opens (too short to see what it is and then nothing happens).

I tried reinstalling, no success. 

There is no .igv file or directory in my subdirectory in C:/Users. There is no igv0.log file anywhere to be found.

If I start igv.bat from the terminal, I get the output below.

Can anyone help?

Thanks,

Achim

C:\Program Files\IGV_2.17.4>igv

C:\Program Files\IGV_2.17.4>setlocal

C:\Program Files\IGV_2.17.4>for %x in (igv) do set BatchPath=%~dpsx

C:\Program Files\IGV_2.17.4>set BatchPath=C:\PROGRA~1\IGV_21~1.4\

C:\Program Files\IGV_2.17.4>for %x in (C:\PROGRA~1\IGV_21~1.4\) do set BatchPath=%~dpsx

C:\Program Files\IGV_2.17.4>set BatchPath=C:\PROGRA~1\IGV_21~1.4\

C:\Program Files\IGV_2.17.4>if exist C:\PROGRA~1\IGV_21~1.4\\jdk-17 (
echo "Using bundled JDK."
 set JAVA_HOME=C:\PROGRA~1\IGV_21~1.4\\jdk-17
 set JAVA_CMD=C:\PROGRA~1\IGV_21~1.4\\jdk-17\bin\javaw
)  else (
echo "Using system JDK."
 set JAVA_CMD=java
)
"Using system JDK."

C:\Program Files\IGV_2.17.4>if exist "C:\Users\aschnauf\.igv\java_arguments" (start java -showversion --module-path=lib -Xmx8g -Dproduction=true @igv.args -Djava.net.preferIPv4Stack=true -Dsun.java2d.noddraw=true -Djava.net.useSystemProxies=true @"C:\Users\aschnauf\.igv\java_arguments" --module=org.igv/org.broad.igv.ui.Main )  else (start java -showversion --module-path=lib -Xmx8g -Dproduction=true @igv.args -Djava.net.preferIPv4Stack=true -Dsun.java2d.noddraw=true -Djava.net.useSystemProxies=true --module=org.igv/org.broad.igv.ui.Main )

[igv-help]

It looks like when you ran IGV it was using the system Java, which you say is Java 1.8, however current versions of IGV require Java 17. 

You could either install Java 17 on your system -OR- download the IGV installer that includes Java and run that instead.

[igv-help]

Just to clarify if you are not used to the Java numbering - your system Java 1.8.0_411 means you are running Java 8 vs. the Java 17 required by IGV.

[Achim Schnaufer]

Thank you for your reply. I am confused, however, because Java insists I am running the latest version. I checked the Java download site, and the current version is the one I have.

https://www.java.com/download/ie_manual.jsp

The current Java version offered by Oracle is numbered 22, is that the one I should install? My understanding was that both implementations are built on the same specifications.

[Achim Schnaufer]

Ok, IGV does run with the version from Oracle. Problem solved, although I still don'y understand why the up-to-date version of Java from the Java.com website is not accepted.

[igv-help]

Because the latest version from Java.com is Java 8,  which is many years out of date.   IGV requires Java 17.

[James Robinson]

I think we have a semantics issue here,  the release you refer to is a maintenance (bug fix) release for Java 8.    The latest Java release is actually 22,  but again IGV requires Java 17.    See https://www.oracle.com/java/technologies/java-se-support-roadmap.html.

On Wed, Apr 24, 2024 at 2:26 AM Achim Schnaufer <aschn...@gmail.com> wrote:

I don't think you are correct. According to the Java website, Version 8 Update 411 was released on April 16 2024. I don't think you can compare the version numbers of the distributions from the Java and Oracle websites, and I have never had any issues with any other programs while using the former. But I am glad that IGV is now running. I am just noting this FYI. Best regards, Achim

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