org.tigris.subversion.svnclientadapter.commandline.CmdLineException: java.io.IOException: Cannot run program "svn": java.io.IOException: error=2, No such file or directory
        at org.tigris.subversion.svnclientadapter.commandline.CommandLine.execProcess(CommandLine.java:109)
        at org.tigris.subversion.svnclientadapter.commandline.CommandLine.execString(CommandLine.java:179)
        at org.tigris.subversion.svnclientadapter.commandline.CommandLine.version(CommandLine.java:53)
        at org.tigris.subversion.svnclientadapter.commandline.SvnCommandLine.version(SvnCommandLine.java:91)
        at org.tigris.subversion.svnclientadapter.commandline.CmdLineClientAdapter.isAvailable(CmdLineClientAdapter.java:94)
        at org.tigris.subversion.svnclientadapter.commandline.CmdLineClientAdapterFactory.setup(CmdLineClientAdapterFactory.java:47)
        at org.netbeans.modules.subversion.Subversion.init(Subversion.java:80)
        at org.netbeans.modules.subversion.Subversion.getInstance(Subversion.java:69)
        at org.netbeans.modules.subversion.ui.ignore.IgnoreAction.getActionStatus(IgnoreAction.java:73)
        at org.netbeans.modules.subversion.ui.ignore.IgnoreAction.getActionStatus(IgnoreAction.java:68)
        at org.netbeans.modules.subversion.ui.ignore.IgnoreAction.getBaseName(IgnoreAction.java:47)
        at org.netbeans.modules.subversion.ui.actions.ContextAction.getName(ContextAction.java:147)
        at org.netbeans.modules.subversion.ui.actions.ContextAction.getName(ContextAction.java:133)
        at org.openide.util.actions.SystemAction.getValue(SystemAction.java:154)
        at org.openide.awt.Actions$MenuBridge.updateState(Actions.java:820)
        at org.openide.awt.Actions.connect(Actions.java:153)
        at org.openide.awt.Actions.connect(Actions.java:138)
        at org.openide.awt.Actions$MenuItem.<init>(Actions.java:1121)
        at org.netbeans.modules.openide.awt.DefaultAWTBridge.createMenuPresenter(DefaultAWTBridge.java:45)
        at org.openide.util.actions.CallableSystemAction.getMenuPresenter(CallableSystemAction.java:57)
        at org.openide.awt.DynaMenuModel.loadSubmenu(DynaMenuModel.java:68)
        at org.openide.awt.MenuBar$LazyMenu$MenuFolder.createInstance(MenuBar.java:648)
        at org.openide.loaders.FolderInstance.defaultProcessObjects(FolderInstance.java:744)
        at org.openide.loaders.FolderInstance.access$000(FolderInstance.java:76)
        at org.openide.loaders.FolderInstance$2.run(FolderInstance.java:630)
        at org.openide.util.Task.run(Task.java:222)
        at org.openide.awt.AWTTask.run(AWTTask.java:35)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
Caused by: java.io.IOException: Cannot run program "svn": java.io.IOException: error=2, No such file or directory
        at java.lang.ProcessBuilder.start(ProcessBuilder.java:459)
        at java.lang.Runtime.exec(Runtime.java:593)
        at java.lang.Runtime.exec(Runtime.java:509)
        at org.tigris.subversion.svnclientadapter.commandline.CommandLine.execProcess(CommandLine.java:106)
        ... 34 more
Caused by: java.io.IOException: java.io.IOException: error=2, No such file or directory
        at java.lang.UNIXProcess.<init>(UNIXProcess.java:148)
        at java.lang.ProcessImpl.start(ProcessImpl.java:65)
        at java.lang.ProcessBuilder.start(ProcessBuilder.java:452)
        ... 37 more
INFO: Command line client adapter is not available
org.tigris.subversion.svnclientadapter.SVNClientException: Command line client adapter is not available
        at org.tigris.subversion.svnclientadapter.commandline.CmdLineClientAdapterFactory.setup(CmdLineClientAdapterFactory.java:48)
[catch] at org.netbeans.modules.subversion.Subversion.init(Subversion.java:80)
        at org.netbeans.modules.subversion.Subversion.getInstance(Subversion.java:69)
        at org.netbeans.modules.subversion.ui.ignore.IgnoreAction.getActionStatus(IgnoreAction.java:73)
        at org.netbeans.modules.subversion.ui.ignore.IgnoreAction.getActionStatus(IgnoreAction.java:68)
        at org.netbeans.modules.subversion.ui.ignore.IgnoreAction.getBaseName(IgnoreAction.java:47)
        at org.netbeans.modules.subversion.ui.actions.ContextAction.getName(ContextAction.java:147)
        at org.netbeans.modules.subversion.ui.actions.ContextAction.getName(ContextAction.java:133)
        at org.openide.util.actions.SystemAction.getValue(SystemAction.java:154)
        at org.openide.awt.Actions$MenuBridge.updateState(Actions.java:820)
        at org.openide.awt.Actions.connect(Actions.java:153)
        at org.openide.awt.Actions.connect(Actions.java:138)
        at org.openide.awt.Actions$MenuItem.<init>(Actions.java:1121)
        at org.netbeans.modules.openide.awt.DefaultAWTBridge.createMenuPresenter(DefaultAWTBridge.java:45)
        at org.openide.util.actions.CallableSystemAction.getMenuPresenter(CallableSystemAction.java:57)
        at org.openide.awt.DynaMenuModel.loadSubmenu(DynaMenuModel.java:68)
        at org.openide.awt.MenuBar$LazyMenu$MenuFolder.createInstance(MenuBar.java:648)
        at org.openide.loaders.FolderInstance.defaultProcessObjects(FolderInstance.java:744)
        at org.openide.loaders.FolderInstance.access$000(FolderInstance.java:76)
        at org.openide.loaders.FolderInstance$2.run(FolderInstance.java:630)
        at org.openide.util.Task.run(Task.java:222)
        at org.openide.awt.AWTTask.run(AWTTask.java:35)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
Caused by: org.openide.ErrorManager$AnnException: msg
        at org.openide.ErrorManager$AnnException.findOrCreate(ErrorManager.java:844)
        at org.openide.ErrorManager$DelegatingErrorManager.annotate(ErrorManager.java:629)
        at org.openide.ErrorManager.annotate(ErrorManager.java:429)
        at org.netbeans.modules.subversion.Subversion.init(Subversion.java:82)
        ... 28 more
NetBeans Subversion support requires Subversion 1.3 executable!

Install Subversion 1.3 (http://subversion.tigris.org) or later,
add it to PATH,
test by running 'svn --version' from command line, and
finally restart the IDE, please