Yes, adding the dependency actually solves the problem, thanks. Actually i cannot remove errai profile in the real project.
In your opinion, is it an issue in gwt or errai dependencies ? Thanks again, Alberto. On Fri, Aug 19, 2016 at 3:49 PM Andrei Korzhevskii <a.korzhevs...@gmail.com> wrote: > Yes, that's true. Some dependency hell is going on there. > Commenting out the errai profile does not help but it helps if you just > add gson 2.6.2 to your project as a dependency > > <dependency> > <groupId>com.google.code.gson</groupId> > <artifactId>gson</artifactId> > <version>2.6.2</version> > </dependency> > </dependencies> > > > On Friday, August 19, 2016 at 4:13:12 PM UTC+3, Seamus McMorrow wrote: >> >> I had a quick look at that sample project. >> The errai profile which is activated by default at the bottom of your >> pom.xml has a dependencyManagement section BOM import. >> That is conflicting the versions for gson and some others, xerces. >> >> If you comment out the whole profile bit >> >> On Friday, 19 August 2016 13:42:27 UTC+1, Andrei Korzhevskii wrote: >>> >>> Ok, I've tracked down the problem. >>> The problem is that gwt-dev somehow relies on gson 1.7.2 but should rely >>> on 2.6.2. I dont know what the problem is. I hope Jens or Thomas can help >>> with that. >>> The problem was that gson 1.7.2 incorrectly parsed provided source map >>> string and returned empty JsonObject which resulted in NPE. >>> >>> [INFO] --- maven-dependency-plugin:2.8:tree (default-cli) @ sourcemap --- >>> [INFO] com.testcase:sourcemap:war:1.0-SNAPSHOT >>> [INFO] +- com.google.gwt:gwt-user:jar:2.8.0-rc2:provided >>> [INFO] | +- com.google.jsinterop:jsinterop-annotations:jar:1.0.0:provided >>> [INFO] | +- >>> com.google.jsinterop:jsinterop-annotations:jar:sources:1.0.0:provided >>> [INFO] | +- javax.validation:validation-api:jar:1.0.0.GA:provided >>> [INFO] | +- javax.validation:validation-api:jar:sources:1.0.0.GA:provided >>> [INFO] | +- javax.servlet:javax.servlet-api:jar:3.1.0:provided >>> [INFO] | \- org.w3c.css:sac:jar:1.3:provided >>> [INFO] \- com.google.gwt:gwt-dev:jar:2.8.0-rc2:provided >>> [INFO] +- com.google.code.gson:gson:jar:1.7.2:provided (version managed >>> from 2.6.2) >>> [INFO] +- org.ow2.asm:asm:jar:5.0.3:provided >>> [INFO] +- org.ow2.asm:asm-util:jar:5.0.3:provided >>> [INFO] | \- org.ow2.asm:asm-tree:jar:5.0.3:provided >>> [INFO] | \- (org.ow2.asm:asm:jar:5.0.3:provided - omitted for >>> duplicate) >>> [INFO] +- org.ow2.asm:asm-commons:jar:5.0.3:provided >>> [INFO] | \- (org.ow2.asm:asm-tree:jar:5.0.3:provided - omitted for >>> duplicate) >>> [INFO] +- colt:colt:jar:1.2.0:provided >>> [INFO] +- ant:ant:jar:1.6.5:provided >>> [INFO] +- commons-collections:commons-collections:jar:3.2.2:provided >>> [INFO] +- commons-io:commons-io:jar:2.4:provided >>> [INFO] +- com.ibm.icu:icu4j:jar:50.1.1:provided >>> [INFO] +- tapestry:tapestry:jar:4.0.2:provided >>> [INFO] +- net.sourceforge.htmlunit:htmlunit:jar:2.19:provided >>> [INFO] | +- xalan:xalan:jar:2.7.1:provided (version managed from 2.7.2) >>> [INFO] | | \- xalan:serializer:jar:2.7.1:provided >>> [INFO] | | \- xml-apis:xml-apis:jar:1.4.01:provided (version >>> managed from 1.3.04) >>> [INFO] | +- (commons-collections:commons-collections:jar:3.2.2:provided >>> - version managed from 3.2.1; omitted for duplicate) >>> [INFO] | +- org.apache.commons:commons-lang3:jar:3.1:provided (version >>> managed from 3.4) >>> [INFO] | +- org.apache.httpcomponents:httpclient:jar:4.5:provided >>> (version managed from 4.5.1) >>> [INFO] | | +- org.apache.httpcomponents:httpcore:jar:4.4.1:provided >>> [INFO] | | \- (commons-codec:commons-codec:jar:1.10:provided - version >>> managed from 1.9; omitted for duplicate) >>> [INFO] | +- org.apache.httpcomponents:httpmime:jar:4.5.1:provided >>> [INFO] | | \- (org.apache.httpcomponents:httpclient:jar:4.5:provided - >>> version managed from 4.5.1; omitted for duplicate) >>> [INFO] | +- commons-codec:commons-codec:jar:1.10:provided >>> [INFO] | +- net.sourceforge.htmlunit:htmlunit-core-js:jar:2.17:provided >>> [INFO] | +- xerces:xercesImpl:jar:2.11.0.SP4:provided (version managed >>> from 2.11.0) >>> [INFO] | +- net.sourceforge.nekohtml:nekohtml:jar:1.9.22:provided >>> [INFO] | +- net.sourceforge.cssparser:cssparser:jar:0.9.18:provided >>> [INFO] | | \- (org.w3c.css:sac:jar:1.3:provided - omitted for >>> duplicate) >>> [INFO] | +- (commons-io:commons-io:jar:2.4:provided - omitted for >>> duplicate) >>> [INFO] | +- commons-logging:commons-logging:jar:1.1.1:provided (version >>> managed from 1.2) >>> [INFO] | \- >>> org.eclipse.jetty.websocket:websocket-client:jar:9.2.13.v20150730:provided >>> [INFO] | +- >>> (org.eclipse.jetty:jetty-util:jar:9.2.14.v20151106:provided - version >>> managed from 9.2.13.v20150730; omitted for duplicate) >>> [INFO] | +- >>> (org.eclipse.jetty:jetty-io:jar:9.2.14.v20151106:provided - version managed >>> from 9.2.13.v20150730; omitted for duplicate) >>> [INFO] | \- >>> org.eclipse.jetty.websocket:websocket-common:jar:9.2.13.v20150730:provided >>> [INFO] | +- >>> org.eclipse.jetty.websocket:websocket-api:jar:9.2.13.v20150730:provided >>> [INFO] | +- >>> (org.eclipse.jetty:jetty-util:jar:9.2.14.v20151106:provided - version >>> managed from 9.2.13.v20150730; omitted for duplicate) >>> [INFO] | \- >>> (org.eclipse.jetty:jetty-io:jar:9.2.14.v20151106:provided - version managed >>> from 9.2.13.v20150730; omitted for duplicate) >>> [INFO] +- org.eclipse.jetty:jetty-webapp:jar:9.2.14.v20151106:provided >>> [INFO] | +- org.eclipse.jetty:jetty-xml:jar:9.2.14.v20151106:provided >>> [INFO] | | \- >>> (org.eclipse.jetty:jetty-util:jar:9.2.14.v20151106:provided - version >>> managed from 9.2.13.v20150730; omitted for duplicate) >>> [INFO] | \- >>> org.eclipse.jetty:jetty-servlet:jar:9.2.14.v20151106:provided >>> [INFO] | \- >>> org.eclipse.jetty:jetty-security:jar:9.2.14.v20151106:provided >>> [INFO] | \- >>> (org.eclipse.jetty:jetty-server:jar:9.2.14.v20151106:provided - omitted for >>> duplicate) >>> [INFO] +- org.eclipse.jetty:jetty-servlets:jar:9.2.14.v20151106:provided >>> [INFO] | +- >>> org.eclipse.jetty:jetty-continuation:jar:9.2.14.v20151106:provided >>> [INFO] | +- org.eclipse.jetty:jetty-http:jar:9.2.14.v20151106:provided >>> [INFO] | | \- >>> (org.eclipse.jetty:jetty-util:jar:9.2.14.v20151106:provided - version >>> managed from 9.2.13.v20150730; omitted for duplicate) >>> [INFO] | +- org.eclipse.jetty:jetty-util:jar:9.2.14.v20151106:provided >>> [INFO] | \- org.eclipse.jetty:jetty-io:jar:9.2.14.v20151106:provided >>> [INFO] | \- >>> (org.eclipse.jetty:jetty-util:jar:9.2.14.v20151106:provided - version >>> managed from 9.2.13.v20150730; omitted for duplicate) >>> [INFO] +- >>> org.eclipse.jetty:jetty-annotations:jar:9.2.14.v20151106:provided >>> [INFO] | +- org.eclipse.jetty:jetty-plus:jar:9.2.14.v20151106:provided >>> [INFO] | | +- >>> (org.eclipse.jetty:jetty-webapp:jar:9.2.14.v20151106:provided - omitted for >>> duplicate) >>> [INFO] | | \- >>> org.eclipse.jetty:jetty-jndi:jar:9.2.14.v20151106:provided >>> [INFO] | | \- >>> (org.eclipse.jetty:jetty-util:jar:9.2.14.v20151106:provided - version >>> managed from 9.2.13.v20150730; omitted for duplicate) >>> [INFO] | +- >>> (org.eclipse.jetty:jetty-webapp:jar:9.2.14.v20151106:provided - omitted for >>> duplicate) >>> [INFO] | +- javax.annotation:javax.annotation-api:jar:1.2:provided >>> [INFO] | +- (org.ow2.asm:asm:jar:5.0.3:provided - version managed from >>> 5.0.1; omitted for duplicate) >>> [INFO] | \- (org.ow2.asm:asm-commons:jar:5.0.1:provided - omitted for >>> conflict with 5.0.3) >>> [INFO] \- org.eclipse.jetty:apache-jsp:jar:9.2.14.v20151106:provided >>> [INFO] +- (org.eclipse.jetty:jetty-util:jar:9.2.14.v20151106:provided >>> - version managed from 9.2.13.v20150730; omitted for duplicate) >>> [INFO] +- org.eclipse.jetty:jetty-server:jar:9.2.14.v20151106:provided >>> [INFO] | +- (javax.servlet:javax.servlet-api:jar:3.1.0:provided - >>> omitted for duplicate) >>> [INFO] | +- >>> (org.eclipse.jetty:jetty-http:jar:9.2.14.v20151106:provided - omitted for >>> duplicate) >>> [INFO] | \- >>> (org.eclipse.jetty:jetty-io:jar:9.2.14.v20151106:provided - version managed >>> from 9.2.13.v20150730; omitted for duplicate) >>> [INFO] +- >>> org.eclipse.jetty.toolchain:jetty-schemas:jar:3.1.M0:provided >>> [INFO] +- (javax.servlet:javax.servlet-api:jar:3.1.0:provided - >>> omitted for duplicate) >>> [INFO] \- org.mortbay.jasper:apache-jsp:jar:8.0.9.M3:provided >>> [INFO] +- >>> (org.eclipse.jetty.toolchain:jetty-schemas:jar:3.1.M0:provided - omitted >>> for duplicate) >>> [INFO] \- org.mortbay.jasper:apache-el:jar:8.0.9.M3:provided >>> >>> >>> On Friday, August 19, 2016 at 2:33:55 PM UTC+3, Alberto Mancini wrote: >>>> >>>> >>>> >>>> mvn:run should give you the error >>>>> >>>> >>>> Sorry, i mean: >>>> mvn gwt:run >>>> >>>> >>>> Thanks, >>>> A. >>>> >>> -- > You received this message because you are subscribed to the Google Groups > "GWT Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to google-web-toolkit+unsubscr...@googlegroups.com. > To post to this group, send email to google-web-toolkit@googlegroups.com. > Visit this group at https://groups.google.com/group/google-web-toolkit. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "GWT Users" group. 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