Did you find any solution to this. I am facing same issue I tried to pass vm arg --add-modules=java.se.ee but still it doesnot work.
On Wednesday, February 15, 2017 at 2:47:30 PM UTC+5:30, Dave Bradlee wrote: > > At Labkey.com we're trying to compile all of our code, which includes GWT > code, with Java9 (due for release in the summer)....getting a head start. > We have not been able to compile GWT code, which doesn't use any new Java > features. We're getting the error > [java] Compiling module org.labkey.experiment.property.Designer > [java] [ERROR] Unable to find type 'java.lang.Object' > [java] [ERROR] Hint: Check that your module inherits > 'com.google.gwt.core.Core' either directly or indirectly (most often by > inheriting module 'com.google.gwt.user.User') > > We've had an older version of GWT but have tried with the latest 2.8 as > well and get the same thing. I've added -logLevel=DEBUG to get more info > and the log says we're inheriting all of the appropriate packages, > including com.google.gwt.core.Core and com.google.gwt.emul.Emulation, which > of course is where java.lang.Object lives. It seems like something is going > wrong with gwt-unitCache because the log looks like this: > ..........lots of inherits before this.......... > [java] Module location: > file:/Users/davebradlee/trunk/server/internal/gwtsrc/org/labkey/api/gwt/Internal.gwt.xml > [java] Loading inherited module 'com.extjs.gxt.ui.GXT' > [java] Module location: > jar:file:/Users/davebradlee/trunk/external/lib/build/gxt.jar!/com/extjs/gxt/ui/GXT.gwt.xml > [java] Loading inherited module 'com.google.gwt.json.JSON' > [java] Module location: > jar:file:/Users/davebradlee/trunk/external/lib/build/gwt-user.jar!/com/google/gwt/json/JSON.gwt.xml > [java] Loading inherited module > 'com.allen_sauer.gwt.dnd.gwt-dnd' > [java] Module location: > jar:file:/Users/davebradlee/trunk/external/lib/server/gwt-dnd-3.2.0.jar!/com/allen_sauer/gwt/dnd/gwt-dnd.gwt.xml > [java] Public resources found in... > [java] Translatable source found in... > [java] Persistent unit cache dir set to: > /Users/davebradlee/trunk/build/modules/experiment/explodedModule/gwt-unitCache > [java] Opening cache file: > /Users/davebradlee/trunk/build/modules/experiment/explodedModule/gwt-unitCache/gwt-unitCache-6a094daf5d20bb65adf2d207cc48308bde849f64-0000015A3E41072B > [java] Looking for previously cached Compilation Units in > /Users/davebradlee/trunk/build/modules/experiment/explodedModule/gwt-unitCache > [java] Compiling module org.labkey.experiment.property.Designer > [java] Found 0 cached/archived units. Used 0 / 0 units from cache. > [java] Compiling... > [java] Compilation completed in 0.00 seconds > [java] PersistentUnitCache cleanup requested > [java] Added 0 units to PersistentUnitCache since last cleanup > [java] Skipped PersistentUnitCache because no units were added > [java] Removing invalidated units > [java] Resolving enclosing classes > [java] Tracing compile failure path for type 'java.lang.Object' > [java] Checked 0 dependencies for errors. > [java] [ERROR] Hint: Check that your module inherits > 'com.google.gwt.core.Core' either directly or indirectly (most often by > inheriting module 'com.google.gwt.user.User') > [java] Closing cache file: > /Users/davebradlee/trunk/build/modules/experiment/explodedModule/gwt-unitCache/gwt-unitCache-6a094daf5d20bb65adf2d207cc48308bde849f64-0000015A3E41072B > > (0 units written) > [java] Deleting empty file: > /Users/davebradlee/trunk/build/modules/experiment/explodedModule/gwt-unitCache/gwt-unitCache-6a094daf5d20bb65adf2d207cc48308bde849f64-0000015A3E41072B > [java] Shutting down PersistentUnitCache thread > > Using Java8 the log looks like this > ....... > [java] Persistent unit cache dir set to: > /Users/davebradlee/trunk/build/modules/experiment/explodedModule/gwt-unitCache > [java] Opening cache file: > /Users/davebradlee/trunk/build/modules/experiment/explodedModule/gwt-unitCache/gwt-unitCache-6a094daf5d20bb65adf2d207cc48308bde849f64-0000015A3E53CB49 > [java] Looking for previously cached Compilation Units in > /Users/davebradlee/trunk/build/modules/experiment/explodedModule/gwt-unitCache > [java] Compiling module org.labkey.experiment.property.Designer > [java] Found 0 cached/archived units. Used 0 / 3794 units from > cache. > [java] Compiling... > [java] 60% complete (ETR: 3 seconds) > [java] 60% complete (ETR: 3 seconds) > [java] 60% complete (ETR: 3 seconds) > [java] 60% complete (ETR: 3 seconds) > [java] 60% complete (ETR: 3 seconds) > [java] 60% complete (ETR: 3 seconds) > [java] 60% complete (ETR: 3 seconds) > [java] 70% complete (ETR: 2 seconds) > [java] 80% complete (ETR: 2 seconds) > [java] 90% complete (ETR: 1 seconds) > [java] 100% complete (ETR: 0 seconds) > [java] Compilation completed in 10.80 seconds > [java] PersistentUnitCache cleanup requested > [java] Added 3794 units to PersistentUnitCache since last cleanup > > Anyway, has anyone else tried to compile GWT code with Java9? Or any ideas > how we might make the compiler happy? > > Thanks! > > -- Dave > > > -- You received this message because you are subscribed to the Google Groups "GWT Users" group. 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