Re: Is there any way to use GWT 2.9 with Java 11 using Eclipse GWT plugin?

after a long time and hard work we were able to make it work up to the successful compilation, now there is a conflict between the integrated apache  xerces in gwt-dev.jar and java 8.

is there any way to force the GWT in dev mode not to use tools in the gwt-dev.jar?

any help would be greatly appreciated.

org.apache.xerces.parsers.XIncludeAwareParserConfiguration cannot be cast to org.apache.xerces.xni.parser.XMLParserConfiguration

java.lang.ClassCastException: org.apache.xerces.parsers.XIncludeAwareParserConfiguration cannot be cast to org.apache.xerces.xni.parser.XMLParserConfiguration

at org.apache.xerces.parsers.SAXParser.<init>(Unknown Source)

at org.apache.xerces.parsers.SAXParser.<init>(Unknown Source)

at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.<init>(Unknown Source)

at org.apache.xerces.jaxp.SAXParserImpl.<init>(Unknown Source)

at org.apache.xerces.jaxp.SAXParserFactoryImpl.newSAXParser(Unknown Source)

at com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl.getXMLReader(UnmarshallerImpl.java:144)

at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:157)

at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:162)

at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:171)

at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:189)

at com.soflytics.rguroo.server.util.ServerUtility.readGUIComponents(ServerUtility.java:175)

On Saturday, August 8, 2020 at 7:11:54 AM UTC-7 frank.h...@web.de wrote:

Use this to generate a multi module artifact:

https://github.com/tbroyer/gwt-maven-archetypes

shahra...@gmail.com schrieb am Freitag, 7. August 2020 um 18:23:52 UTC+2:

is there any documentation for how to set it up, we are not maven oriented. I appreciate a link or document...

On Thu, Aug 6, 2020 at 2:57 PM lofid...@gmail.com <lofid...@gmail.com> wrote:

GWT Eclipse plugin is not maintained anymore... So to use the newest one you could move to pure Maven or Gradle... I only use Maven sofar and it works well...

shahra...@gmail.com schrieb am Dienstag, 28. Juli 2020 um 00:11:58 UTC+2:

We have a huge GWT project (GWT 2.7, JDK 1.7, Eclipse) everything works perfect. We are planning to upgrade to Java 11 and GWT 2.9 which has been recently released. However Java 1.7 is retiring and getting obsolete we have to move on and upgrade. Since last week we are trying to create a development environment like the existing one but there is no success. I was wondering whether anyone out there is struggling with the same issue, any hint, solution or hacking the eclipse plugin would be greatly appreciated.

Eclipse plugin comes with GWT (2.7 and 2.8.1)

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