Hi, As you know Java 9/10 do not include tools.jar in lib directory anymore.
But if i’m trying to compile a project based on Java 1.8 wich has tools.jar (using Netbeans 9.0 running over Java 10), how can I avoid the following error?: .../nbproject/jaxws-build.xml:22: java.lang.ClassNotFoundException: JDK's tools.jar was not found in /Library/Java/JavaVirtualMachines/jdk-10.0.2.jdk/Contents/lib/tools.jar. Usually this means you are running JRE, not JDK. Please use the java command in JDK 5.0 or later (not JRE.) at com.sun.tools.ws.ant.WrapperTask.createClassLoader(WrapperTask.java:106) at com.sun.istack.tools.ProtectedTask.execute(ProtectedTask.java:46) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) at jdk.internal.reflect.GeneratedMethodAccessor64.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:564) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99) at org.apache.tools.ant.Task.perform(Task.java:350) at org.apache.tools.ant.Target.execute(Target.java:449) at org.apache.tools.ant.Target.performTasks(Target.java:470) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388) at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:36) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:437) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) at jdk.internal.reflect.GeneratedMethodAccessor64.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:564) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99) at org.apache.tools.ant.Task.perform(Task.java:350) at org.apache.tools.ant.Target.execute(Target.java:449) at org.apache.tools.ant.Target.performTasks(Target.java:470) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388) at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:36) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:437) at org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:105) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) at jdk.internal.reflect.GeneratedMethodAccessor64.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:564) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99) at org.apache.tools.ant.Task.perform(Task.java:350) at org.apache.tools.ant.Target.execute(Target.java:449) at org.apache.tools.ant.Target.performTasks(Target.java:470) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388) at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:36) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:437) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) at jdk.internal.reflect.GeneratedMethodAccessor64.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:564) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99) at org.apache.tools.ant.Task.perform(Task.java:350) at org.apache.tools.ant.Target.execute(Target.java:449) at org.apache.tools.ant.Target.performTasks(Target.java:470) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388) at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:36) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:437) at org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:105) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) at jdk.internal.reflect.GeneratedMethodAccessor64.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:564) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99) at org.apache.tools.ant.Task.perform(Task.java:350) at org.apache.tools.ant.Target.execute(Target.java:449) at org.apache.tools.ant.Target.performTasks(Target.java:470) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388) at org.apache.tools.ant.Project.executeTarget(Project.java:1361) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:261) at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:574) at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:128) Caused by: com.sun.tools.xjc.api.util.ToolsJarNotFoundException: JDK's tools.jar was not found in /Library/Java/JavaVirtualMachines/jdk-10.0.2.jdk/Contents/lib/tools.jar. Usually this means you are running JRE, not JDK. Please use the java command in JDK 5.0 or later (not JRE.) at com.sun.tools.ws.Invoker.findToolsJar(Invoker.java:267) at com.sun.tools.ws.Invoker.findIstack22APIs(Invoker.java:248) at com.sun.tools.ws.Invoker.createClassLoader(Invoker.java:183) at com.sun.tools.ws.ant.WrapperTask.createClassLoader(WrapperTask.java:85) Best, Juan Miguel