[MODULES-372] JDK 11 - module not found java.se - Red Hat Issue Tracker

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Type: Bug
Resolution: Done
Priority: Major
Fix Version/s: 1.9.1.Final
Affects Version/s: 1.8.5.Final
Component/s: None
Labels:
- Java11

Git Pull Request:
https://github.com/jboss-modules/jboss-modules/pull/233

When trying to start up WFLY with JDK 11 (using standalone.sh, I am getting this error:

org.jboss.modules.ModuleNotFoundException: java.se
	at org.jboss.modules.Module.addPaths(Module.java:1266)
	at org.jboss.modules.Module.link(Module.java:1622)
	at org.jboss.modules.Module.relinkIfNecessary(Module.java:1650)
	at org.jboss.modules.ModuleLoader.loadModule(ModuleLoader.java:296)
	at org.jboss.modules.Main.main(Main.java:437)

Output of java -version:

openjdk version "11-ea" 2018-09-25
OpenJDK Runtime Environment 18.9 (build 11-ea+21)
OpenJDK 64-Bit Server VM 18.9 (build 11-ea+21, mixed mode)

blocks

JBWS-4129 Can't deploy webservice on JDK11

Resolved

ENTESB-10072 Can't install fuse on EAP 7.2 with Java 11

Closed

WELD-2516 Weld TS execution with JDK 11

Resolved

WFCORE-4211 Missing docs: Embedded container does not work without the JVM being launched with java.se module on Java 11

Resolved

is blocked by

WINDUP-2149 Run RHAMT on JDK 11

Closed

relates to

WFCORE-3962 Starting WFLY scripts with JDK 11 blows up with ModuleNotFoundException java.se

Resolved

(1 relates to)

Ladislav Thon added a comment - 2019/01/25 9:20 AM

I took a stab at this in https://github.com/Ladicek/jboss-modules/commits/emulated-java-se-module and would appreciate any comments. Especially if this approach has any chance of being accepted

The one question I wasn't able to answer on my own is: should the org.jboss.modules.emulated.java.se module have its own distinct name, or should it be called java.se. I opted into the former option, as it seems less invasive. The latter option would be more transparent, but might have unintended consequences that I'm not aware of.

With the current name, I was able to confirm with Thorntail that adding --add-modules java.se is no longer necessary, but only after I changed the definition of the javax.api module from WildFly (as that refers directly to the java.se name).

Ladislav Thon added a comment - 2019/01/25 9:20 AM I took a stab at this in https://github.com/Ladicek/jboss-modules/commits/emulated-java-se-module and would appreciate any comments. Especially if this approach has any chance of being accepted The one question I wasn't able to answer on my own is: should the org.jboss.modules.emulated.java.se module have its own distinct name, or should it be called java.se . I opted into the former option, as it seems less invasive. The latter option would be more transparent, but might have unintended consequences that I'm not aware of. With the current name, I was able to confirm with Thorntail that adding --add-modules java.se is no longer necessary, but only after I changed the definition of the javax.api module from WildFly (as that refers directly to the java.se name).

David Lloyd added a comment - 2019/01/24 9:05 PM

Correct. We could re-aggregate the relevant modules by hand.

David Lloyd added a comment - 2019/01/24 9:05 PM Correct. We could re-aggregate the relevant modules by hand.

Ladislav Thon added a comment - 2019/01/24 1:24 PM - edited

My understanding is that it's JBoss Modules who implicitly add the dependency on java.se to [almost] all modules. While the java.se module isn't "available" by default, this module is nothing but an aggregator of other modules that are "available" by default (I think – please correct me if I'm wrong here). So technically, JBoss Modules could either add an implicit dependency on all these modules, or create another aggregating module and add a dependency on that. (Do I even make sense here?)

Ladislav Thon added a comment - 2019/01/24 1:24 PM - edited My understanding is that it's JBoss Modules who implicitly add the dependency on java.se to [almost] all modules. While the java.se module isn't "available" by default, this module is nothing but an aggregator of other modules that are "available" by default (I think – please correct me if I'm wrong here). So technically, JBoss Modules could either add an implicit dependency on all these modules, or create another aggregating module and add a dependency on that. (Do I even make sense here?)

George Gastaldi added a comment - 2019/01/14 7:31 AM - edited

dlloyd@redhat.com how about falling back to a JBoss Module if the java.se JDK module cannot be found? (With a flag to enable this behavior)

George Gastaldi added a comment - 2019/01/14 7:31 AM - edited dlloyd@redhat.com how about falling back to a JBoss Module if the java.se JDK module cannot be found? (With a flag to enable this behavior)

Wolfgang Mayer (Inactive) added a comment - 2018/11/27 10:41 AM

Sorry I accidentally misplaced the parameter. I've now changed the appclient.sh directly to

eval \"$JAVA\" $JAVA_OPTS \
--add-modules java.se \
-cp "$CLASSPATH" \ ...

This seems to work

Wolfgang Mayer (Inactive) added a comment - 2018/11/27 10:41 AM Sorry I accidentally misplaced the parameter. I've now changed the appclient.sh directly to eval \"$JAVA\" $JAVA_OPTS \ --add-modules java.se \ -cp "$CLASSPATH" \ ... This seems to work

David Lloyd added a comment - 2018/11/27 7:58 AM

Could you please elaborate?

David Lloyd added a comment - 2018/11/27 7:58 AM Could you please elaborate?

Wolfgang Mayer (Inactive) added a comment - 2018/11/27 7:00 AM

This work around does not work on Java HotSpot

Wolfgang Mayer (Inactive) added a comment - 2018/11/27 7:00 AM This work around does not work on Java HotSpot

Francesco Marchioni (Inactive) added a comment - 2018/11/09 11:40 AM

Thanks for the workaround (I've verified it on OpenJDK build 11.0.1). Just a thing, the correct parameter to add is --add-modules java.se

Francesco Marchioni (Inactive) added a comment - 2018/11/09 11:40 AM Thanks for the workaround (I've verified it on OpenJDK build 11.0.1). Just a thing, the correct parameter to add is --add-modules java.se

David Lloyd added a comment - 2018/09/20 5:20 PM

I'd like to figure out a "real" fix at some point, so let's leave this open for now.

David Lloyd added a comment - 2018/09/20 5:20 PM I'd like to figure out a "real" fix at some point, so let's leave this open for now.

Kabir Khan added a comment - 2018/09/20 12:53 PM

dlloyd@redhat.com Should this be closed? As I believe we have worked around this as recommended in issues like:

Kabir Khan added a comment - 2018/09/20 12:53 PM dlloyd@redhat.com Should this be closed? As I believe we have worked around this as recommended in issues like: https://issues.jboss.org/browse/WFLY-10937 https://issues.jboss.org/browse/WFLY-10811 https://issues.jboss.org/browse/WFLY-10772

Assignee:: Richard Opalka

Reporter:: Matěj Novotný

Archiver:: Clark Everson

Created:: 2018/07/12 8:38 AM

Updated:: 2021/10/24 6:26 AM

Resolved:: 2019/04/11 6:03 PM

Archived:: 2025/02/05 5:12 PM

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[MODULES-372] JDK 11 - module not found java.se

Collapse comment: Ladislav Thon added a comment - 2019/01/25 9:20 AM

Expand comment: Ladislav Thon added a comment - 2019/01/25 9:20 AM

Collapse comment: David Lloyd added a comment - 2019/01/24 9:05 PM

Expand comment: David Lloyd added a comment - 2019/01/24 9:05 PM

Collapse comment: Ladislav Thon added a comment - 2019/01/24 1:24 PM, Edited by Ladislav Thon - 2019/01/24 1:26 PM

Expand comment: Ladislav Thon added a comment - 2019/01/24 1:24 PM, Edited by Ladislav Thon - 2019/01/24 1:26 PM

Collapse comment: George Gastaldi added a comment - 2019/01/14 7:31 AM, Edited by George Gastaldi - 2019/01/14 7:59 AM

Expand comment: George Gastaldi added a comment - 2019/01/14 7:31 AM, Edited by George Gastaldi - 2019/01/14 7:59 AM

Collapse comment: Wolfgang Mayer (Inactive) added a comment - 2018/11/27 10:41 AM

Expand comment: Wolfgang Mayer (Inactive) added a comment - 2018/11/27 10:41 AM

Collapse comment: David Lloyd added a comment - 2018/11/27 7:58 AM

Expand comment: David Lloyd added a comment - 2018/11/27 7:58 AM

Collapse comment: Wolfgang Mayer (Inactive) added a comment - 2018/11/27 7:00 AM

Expand comment: Wolfgang Mayer (Inactive) added a comment - 2018/11/27 7:00 AM

Collapse comment: Francesco Marchioni (Inactive) added a comment - 2018/11/09 11:40 AM

Expand comment: Francesco Marchioni (Inactive) added a comment - 2018/11/09 11:40 AM

Collapse comment: David Lloyd added a comment - 2018/09/20 5:20 PM

Expand comment: David Lloyd added a comment - 2018/09/20 5:20 PM

Collapse comment: Kabir Khan added a comment - 2018/09/20 12:53 PM

Expand comment: Kabir Khan added a comment - 2018/09/20 12:53 PM

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