Thanks for the information. The compilation problem has already been resolved. thanks, Jenny
On Wednesday, July 12, 2023 at 8:32:20 AM UTC-5 RobW wrote: > I can't comment on the Eclipse plugin side of things, because we don't use > those. But I can confirm that basic GWT 2.9/2.10 compilation works fine > under Java 11 - that's our main Java platform now. I do recall some > migration notes in the GWT 2.9 or 2.10 release notes we had to take care > over, but I don't think those were Java version specific. More a case of > changes in GWT packaging. > > On Tuesday, 11 July 2023 at 23:47:37 UTC+1 Ying Jin wrote: > >> Ralph, thanks very much for your suggestion. I'll look into more of the >> approach to convert our gwt project to maven project. >> >> BTW, I've found the solution to make the GWT plugin work again in my >> laptop to compile the GWT project. >> >> I came across the following post when searching for the error related to >> webappcreator. >> >> After I removed the "classpath" system variable from my new laptop and >> moved the GWT SDK to the top of the build path, the GWT Compiler starts >> working to compile the GWT project. >> >> >> https://topic.alibabacloud.com/a/exception-invocation-of-font-colorredcomfont-font-colorredgooglefont-gwt-user-font-colorredtoolsfont-webappcreator-failed-see-the-error-log-for-more-details_8_8_31771273.html >> >> Cheers , >> Jenny >> >> >> On Tuesday, July 11, 2023 at 12:45:24 PM UTC-5 Ralph Fiergolla wrote: >> >>> >>> It should not be that hard actually: you probably have separated client, >>> shared and server side classes following the standard package naming >>> convention. That is, basically it will be sufficient to copy your source >>> code to the according client/shared/server sub projects and you are done. >>> Okay, devil is in the details, but I did the same with some legacy project >>> and happily live ever after. Give it a try. Definitely better than spending >>> more time on installing different eclipse versions and plug-ins. >>> Cheers >>> Ralph >>> On Tuesday, July 11, 2023 at 6:51:11 PM UTC+2 Ying Jin wrote: >>> >>>> Ralph, >>>> >>>> Thanks for your suggestion. However, one of our GWT project in >>>> production was developed long time ago and has very big codebase. I'm not >>>> sure how hard to convert it to Maven oriented project. It seems that we >>>> have to do lots of code refactoring >>>> in order to separate client side and server side code and other >>>> configuraitons. >>>> >>>> thanks, >>>> Jenny >>>> >>>> On Monday, July 10, 2023 at 11:59:01 PM UTC-5 Ralph Fiergolla wrote: >>>> >>>>> Hi Jenny! >>>>> With all these issues related to out-dated Eclipse plug-ins I would >>>>> strongly suggest switching to the new GWT Maven plug-in instead. Follow >>>>> the >>>>> instructions https://github.com/tbroyer/gwt-maven-archetypes/ to >>>>> create a project that you can easily import into the most recent Eclipse >>>>> (or any other IDE) subsequently. I don’t see much support for Eclipse >>>>> plug-ins coming… I learned it the hard way too but am now happily working >>>>> the Maven way. >>>>> Bon courage! >>>>> Ralph >>>>> On Monday, July 10, 2023 at 7:25:41 PM UTC+2 Ying Jin wrote: >>>>> >>>>>> Hi Colin, >>>>>> >>>>>> I posted this issue on the gwt plugin site below, but there is no >>>>>> reply yet. >>>>>> >>>>>> https://github.com/gwt-plugins/gwt-eclipse-plugin/issues/470 >>>>>> >>>>>> In addition, I've tried to install other version of Eclipse such as >>>>>> Eclipse 4.18 (2020-12) with a new workspace. After I installed GWT >>>>>> plugin 3 >>>>>> from market place and tried to create a sample gwt web application >>>>>> project >>>>>> as described below in gwt site, I got the error " Invocation of >>>>>> com.google.gwt.user.tools.WebAppCreator failed. See the error log for >>>>>> more >>>>>> details." It seems to me this current market place gwt plugin didn't >>>>>> work >>>>>> as I didn't use our project at all >>>>>> and followed the tutorial below. >>>>>> >>>>>> https://www.gwtproject.org/usingeclipse.html >>>>>> >>>>>> Is there a way to get a working GWT plugin for Eclipse which can work >>>>>> with JDK 11? >>>>>> >>>>>> Your help is much appreciated! >>>>>> Jenny >>>>>> On Tuesday, July 4, 2023 at 12:43:05 PM UTC-5 Colin Alworth wrote: >>>>>> >>>>>>> If the class can't be found, something is wrong with your gwt-dev, >>>>>>> or the gwt-dev isn't on the classpath, or more details from the error >>>>>>> message will indicate why the Compiler class couldn't be loaded. >>>>>>> >>>>>>> Please file a bug with more details (logs, full error message, other >>>>>>> details about differences between the working computer and non-working >>>>>>> computer) at https://github.com/gwt-plugins/gwt-eclipse-plugin/ so >>>>>>> contributors there can take a closer look? >>>>>>> >>>>>>> On Sunday, July 2, 2023 at 2:28:44 PM UTC-5 [email protected] wrote: >>>>>>> >>>>>>>> I tried to reinstall Eclipse again and GWT 3 plugin again from >>>>>>>> Eclipse market, downloaded and reinstalled gwt 2.9 for the project, >>>>>>>> however, I still encountered the error below. >>>>>>>> It is so weird, the project configuration in eclipse works in my >>>>>>>> old laptop, not in the new one though it both has windows 10 installed. >>>>>>>> >>>>>>>> Error: Could not find or load main class com.google.gwt.dev.Compiler >>>>>>>> >>>>>>>> eclipse-jee-2020-06-R-win32-x86_64 >>>>>>>> GWT Plugin 3.0 >>>>>>>> gwt-2.9.0 >>>>>>>> >>>>>>>> Please see attached for the java build path dialog in eclipse. >>>>>>>> >>>>>>>> Any idea about resolving this error? Please help shed some light on >>>>>>>> this problem. >>>>>>>> >>>>>>>> Your help is much appreciated! >>>>>>>> Jenny >>>>>>>> >>>>>>>> >>>>>>>> On Friday, June 16, 2023 at 3:25:42 PM UTC-5 Ying Jin wrote: >>>>>>>> >>>>>>>>> Thanks for your reply. Please see attached for the GWT lib >>>>>>>>> specified in the java build path in Eclipse. I tried to compile it >>>>>>>>> with JDK >>>>>>>>> 8 and it didn't work either. >>>>>>>>> The same project configuration in Eclipse worked in my old laptop, >>>>>>>>> but not in my new laptop. The Eclipse in the new laptop is a copy of >>>>>>>>> the >>>>>>>>> Eclipse installed in the old laptop. >>>>>>>>> >>>>>>>>> In addition, I also tried to copy the "gwt-dev.jar" from the old >>>>>>>>> laptop to the new one, but the compilation still gave me the >>>>>>>>> following >>>>>>>>> error. >>>>>>>>> >>>>>>>>> Error: Could not find or load main class >>>>>>>>> com.google.gwt.dev.Compiler >>>>>>>>> >>>>>>>>> The project was compiled by using GWT->Compile option provided by >>>>>>>>> the GWT Plugin installed in Eclipse. >>>>>>>>> >>>>>>>>> Version: 2020-06 (4.16.0) >>>>>>>>> GWT Plugin version: 3.0 >>>>>>>>> >>>>>>>>> Your help is greatly appreciated! >>>>>>>>> >>>>>>>>> thanks, >>>>>>>>> Jenny >>>>>>>>> On Friday, June 16, 2023 at 12:33:18 PM UTC-5 Colin Alworth wrote: >>>>>>>>> >>>>>>>>>> GWT 2.9 should support running on Java 11, both running on JDK 11 >>>>>>>>>> and compiling Java 11 sources. >>>>>>>>>> >>>>>>>>>> Without other information, it sounds like there is a problem with >>>>>>>>>> your copy of gwt-dev.jar - the jar might be corrupt, or somehow not >>>>>>>>>> on your >>>>>>>>>> classpath? >>>>>>>>>> >>>>>>>>>> Can you verify that the jar is present and correct, and share >>>>>>>>>> more specifics of how you are building? >>>>>>>>>> >>>>>>>>>> On Thursday, June 15, 2023 at 6:00:43 PM UTC-5 [email protected] >>>>>>>>>> wrote: >>>>>>>>>> >>>>>>>>>>> Hello, >>>>>>>>>>> >>>>>>>>>>> I tried to compile our GWT 2.9 project with JDK 11, but >>>>>>>>>>> encountered the following error: >>>>>>>>>>> >>>>>>>>>>> Error: Could not find or load main class >>>>>>>>>>> com.google.gwt.dev.Compiler >>>>>>>>>>> >>>>>>>>>>> Caused by: java.lang.ClassNotFoundException: >>>>>>>>>>> com.google.gwt.dev.Compiler >>>>>>>>>>> >>>>>>>>>>> BTW, the Eclipse version is Version: 2020-06 (4.16.0). >>>>>>>>>>> >>>>>>>>>>> Please help shed some lights on this issue. >>>>>>>>>>> >>>>>>>>>>> thanks, >>>>>>>>>>> Jenny >>>>>>>>>>> >>>>>>>>>> -- You received this message because you are subscribed to the Google Groups "GWT Users" group. 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