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https://issues.apache.org/jira/browse/GROOVY-8792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16747778#comment-16747778
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Ludger Wolter commented on GROOVY-8792:
---------------------------------------
Yes my scenario doesn't involve Ant.
The error occurs in both environments JDK 11 and JDK 8
{code}
Operating system name: Linux 4.15.0-43-generic (amd64)
OS patch: unknown
CPU:
Java Runtime Environment vendor: AdoptOpenJDK
Java Runtime Environment version: 11.0.1
Java Virtual Machine name: OpenJDK 64-Bit Server VM
Java Virtual Machine version: 11.0.1+13
Java Virtual Machine info: mixed mode{code}
{code}
Operating system name: Linux 4.15.0-43-generic (amd64)
OS patch: unknown
CPU:
Java Runtime Environment vendor: Oracle Corporation
Java Runtime Environment version: 1.8.0_201
Java Virtual Machine name: Java HotSpot(TM) 64-Bit Server VM
Java Virtual Machine version: 25.201-b09
Java Virtual Machine info: mixed mode
{code}
> groovy-json not working from <groovy> Ant task
> ----------------------------------------------
>
> Key: GROOVY-8792
> URL: https://issues.apache.org/jira/browse/GROOVY-8792
> Project: Groovy
> Issue Type: Bug
> Components: Ant integration, JSON
> Affects Versions: 2.5.0
> Reporter: Gregory Moltchadski
> Priority: Major
> Labels: ant, json
> Attachments: testsuite.7z
>
>
> groovy-json 2.5.X uses java.util.ServiceLoader to load FastStringService and
> therefore doesn't work in a multi-classloader environment
> build.xml
> {code:xml}
> <project name="test" default="build" basedir=".">
> <taskdef name="groovy"
> classname="org.codehaus.groovy.ant.Groovy"
>
> classpath="groovy-2.5.2.jar:groovy-ant-2.5.2.jar:groovy-json-2.5.2.jar"/>
> <target name="build">
> <groovy>
> <![CDATA[
> import groovy.json.*
> def json = new
> JsonSlurper().parseText('{"person":{"name":"Guillaume","age":33,"pets":["dog","cat"]}}')
> println new JsonBuilder(json).toPrettyString()
> ]]>
> </groovy>
> </target>
>
> </project>
> {code}
> Build output:
> {code:xml}
> BUILD FAILED
> C:\test2\build.xml:8: java.lang.RuntimeException: Unable to load
> FastStringService
> at
> org.apache.groovy.json.internal.FastStringUtils.getService(FastStringUtils.java:57)
> at
> org.apache.groovy.json.internal.FastStringUtils.toCharArray(FastStringUtils.java:67)
> at
> org.apache.groovy.json.internal.BaseJsonParser.parse(BaseJsonParser.java:112)
> at groovy.json.JsonSlurper.parseText(JsonSlurper.java:205)
> at groovy.json.JsonSlurper$parseText.call(Unknown Source)
> at
> org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47)
> at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116)
> at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:128)
> at
> embedded_script_in_C__test2_build_dot_xml.run(embedded_script_in_C__test2_build_dot_xml:2)
> at org.codehaus.groovy.ant.Groovy.parseAndRunScript(Groovy.java:517)
> at org.codehaus.groovy.ant.Groovy.execGroovy(Groovy.java:464)
> at org.codehaus.groovy.ant.Groovy.execute(Groovy.java:322)
> at
> org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at
> org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
> at org.apache.tools.ant.Task.perform(Task.java:348)
> at org.apache.tools.ant.Target.execute(Target.java:435)
> at org.apache.tools.ant.Target.performTasks(Target.java:456)
> at
> org.apache.tools.ant.Project.executeSortedTargets(Project.java:1393)
> at org.apache.tools.ant.Project.executeTarget(Project.java:1364)
> at
> org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
> at org.apache.tools.ant.Project.executeTargets(Project.java:1248)
> at org.apache.tools.ant.Main.runBuild(Main.java:851)
> at org.apache.tools.ant.Main.startAnt(Main.java:235)
> at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
> at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
> {code}
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