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POWhy is Grails using an old JVM compiler on Mac OS x 7?
 

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  1. POWhy is Grails using an old JVM compiler on Mac OS x 7?
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    <p>Mac OS x 10.7 <br/></p> <pre><code>grails&gt; !java -version java version "1.7.0_13" Java(TM) SE Runtime Environment (build 1.7.0_13-b20) Java HotSpot(TM) 64-Bit Server VM (build 23.7-b01, mixed mode) grails&gt; !which java /Library/Java/JavaVirtualMachines/jdk1.7.0_13.jdk/Contents/Home/bin/java </code></pre> <p>I want to use Java 1.7 NIO in one of the services and i got the following:</p> <pre><code>grails&gt; run-app ... | Error Compilation error: startup failed: /path/to/Acquiring.groovy: 7: unable to resolve class java.nio.file.FileSystems @ line 7, column 1. import java.nio.file.FileSystems ^ /path/to/Acquiring.groovy: 8: unable to resolve class java.nio.file.Path @ line 8, column 1. import java.nio.file.Path ^ 2 errors | Error Error running script run-app : org.codehaus.groovy.grails.cli.ScriptExitException (Use --stacktrace to see the full trace) </code></pre> <p>What a hell!? Ok. I'm checking java version in the code:println </p> <pre><code>println System.getProperty("java.version").startsWith('1.6')? "I use 1.6?! WTF?!":"It's ok" </code></pre> <p>And finally i see </p> <pre><code>I use 1.6?! WTF?! </code></pre> <p>Or more specifically</p> <pre><code> RuntimeMXBean RuntimemxBean = ManagementFactory.getRuntimeMXBean(); println System.getProperty("java.version").startsWith('1.6')?"I use 1.6?! WTF?!":"It's ok"; println "VM_vmVendor: " + RuntimemxBean.vmVendor println "VM_getName: " + RuntimemxBean.getName() println "VM_getVmVersion: " + RuntimemxBean.getVmVersion() println "VM_getVmName: " + RuntimemxBean.getVmName() println "VM_namevendor: " + RuntimemxBean.getLibraryPath() println "VM_getSystemProperties:" + "\n ================= \n" + RuntimemxBean.getSystemProperties() + "\n ================= " List&lt;String&gt; arguments = RuntimemxBean.getInputArguments(); arguments.each { print it+ "\n" } </code></pre> <p>turns to be: </p> <pre><code>I use 1.6?! WTF?! VM_vmVendor: Apple Inc. VM_getName: 91621@air.local VM_getVmVersion: 20.14-b01-445 VM_getVmName: Java HotSpot(TM) 64-Bit Server VM VM_namevendor: .:/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java VM_getSystemProperties: ================= [java.vm.version:20.14-b01-445, java.vendor.url:http://www.apple.com/, sun.jnu.encoding:MacRoman, grails.interactive.mode.enabled:true, java.vm.info:mixed mode, user.dir:/Users/me/Sites/java/grailsnew, grails.buildScope:all, sun.cpu.isalist:, java.awt.graphicsenv:apple.awt.CGraphicsEnvironment, sun.os.patch.level:unknown, catalina.useNaming:true, tools.jar:/Library/Java/Home/lib/tools.jar, java.io.tmpdir:/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/, user.home:/Users/me, java.awt.printerjob:apple.awt.CPrinterJob, java.version:1.6.0_41, file.encoding.pkg:sun.io, java.vendor.url.bug:http://bugreport.apple.com/, mrj.build:11M4107, file.encoding:UTF-8, line.separator: , sun.java.command:org.codehaus.groovy.grails.cli.support.GrailsStarter --main org.codehaus.groovy.grails.cli.GrailsScriptRunner --conf /Users/me/.grails/wrapper/2.2.0/grails-2.2.0/conf/groovy-starter.conf --classpath , javax.sql.DataSource.Factory:org.apache.commons.dbcp.BasicDataSourceFactory, java.vm.specification.vendor:Sun Microsystems Inc., grails.version:2.2.0, catalina.home:/Users/me/.grails/2.2.0/projects/grailsnew/tomcat, java.vm.vendor:Apple Inc., base.name:grailsnew, java.class.path:/Users/me/.grails/wrapper/2.2.0/grails-2.2.0/lib/org.codehaus.groovy/groovy-all/jars/groovy-all-2.0.5.jar:/Users/me/.grails/wrapper/2.2.0/grails-2.2.0/dist/grails-bootstrap-2.2.0.jar:/System/Library/Java/Support:/Users/me/.grails/wrapper/2.2.0/grails-2.2.0/lib/org.springsource.springloaded/springloaded-core/jars/springloaded-core-1.1.1.jar, awt.nativeDoubleBuffering:true, sun.io.unicode.encoding:UnicodeLittle, os.arch:x86_64, user.language:en, user.name:root, java.runtime.version:1.6.0_41-b02-445-11M4107, sun.boot.class.path:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/jsfd.jar:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/classes.jar:/System/Library/Frameworks/JavaVM.framework/Frameworks/JavaRuntimeSupport.framework/Resources/Java/JavaRuntimeSupport.jar:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/ui.jar:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/laf.jar:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/sunrsasign.jar:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/jsse.jar:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/jce.jar:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/charsets.jar, gopherProxySet:false, sun.cpu.endian:little, groovy.starter.conf:/Users/me/.grails/wrapper/2.2.0/grails-2.2.0/conf/groovy-starter.conf, grails.env:development, ftp.nonProxyHosts:local|*.local|169.254/16|*.169.254/16, awt.toolkit:apple.awt.CToolkit, base.dir:/Users/me/Sites/java/grailsnew, sun.boot.library.path:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Libraries, java.vm.name:Java HotSpot(TM) 64-Bit Server VM, java.home:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home, net.sf.ehcache.skipUpdateCheck:true, grails.disable.exit:true, java.endorsed.dirs:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/lib/endorsed, sun.management.compiler:HotSpot 64-Bit Tiered Compilers, jna.platform.library.path:/usr/lib:/usr/lib, java.naming.factory.initial:org.apache.naming.java.javaURLContextFactory, java.runtime.name:Java(TM) SE Runtime Environment, catalina.base:/Users/me/.grails/2.2.0/projects/grailsnew/tomcat, grails.home:/Users/me/.grails/wrapper/2.2.0/grails-2.2.0, java.library.path:.:/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java, file.separator:/, java.specification.vendor:Sun Microsystems Inc., java.vm.specification.version:1.0, sun.java.launcher:SUN_STANDARD, grails.env.default:true, grails.env.set:true, user.timezone:Europe/Moscow, program.name:grails, http.nonProxyHosts:local|*.local|169.254/16|*.169.254/16, os.name:Mac OS X, path.separator::, java.ext.dirs:/Library/Java/Extensions:/System/Library/Java/Extensions:/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/lib/ext, sun.arch.data.model:64, java.specification.name:Java Platform API Specification, os.version:10.7.5, mrj.version:1070.1.6.0_41-445, grails.env.initializing:false, springloaded:profile=grails;cacheDir=/Users/me/.grails/2.2.0/, grails.cli.args:, java.class.version:50.0, user.country:US, java.vendor:Apple Inc., socksNonProxyHosts:local|*.local|169.254/16|*.169.254/16, java.vm.specification.name:Java Virtual Machine Specification, org.mortbay.xml.XmlParser.NotValidating:true, java.specification.version:1.6, grails.server.factory:org.grails.plugins.tomcat.TomcatServerFactory, grails.shutdown.hook.installed:true, java.naming.factory.url.pkgs:org.apache.naming] ================= -Xserver -Xmx768M -Xms64M -XX:PermSize=32m -XX:MaxPermSize=256m -Dfile.encoding=UTF-8 -javaagent:/Users/me/.grails/wrapper/2.2.0/grails-2.2.0/lib/org.springsource.springloaded/springloaded-core/jars/springloaded-core-1.1.1.jar -Xverify:none -Dspringloaded=profile=grails;cacheDir=/Users/me/.grails/2.2.0/ -Dgrails.home=/Users/me/.grails/wrapper/2.2.0/grails-2.2.0 -Dtools.jar=/Library/Java/Home/lib/tools.jar </code></pre>
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    1. USAlex
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    1. COCould it be that even having Java 7 you've got Java 6 on your PATH and your IDE is taking that?
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      1. POWhy is Grails using an old JVM compiler on Mac OS x 7?
      1. USaxierjhtjz
    2. CONeed more info. Are you running this from an IDEA? If so, which one? If not, how are you executing it from the command line?
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      1. POWhy is Grails using an old JVM compiler on Mac OS x 7?
      1. USGregg
 

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