Twist error

Sahi properties file = C:\Program Files (x86)\Twist\plugins\com.thoughtworks.twist.driver.sahi_4.4.0.13624-9e0d8b2bf1bd9e\sahi\config\sahi.properties
Sahi user properties file = C:\Users\asobiesiak\Documents\QA\Twist\Sample Project\sahi\userdata\config\userdata.properties
>>>> Sahi started. Listening on port: 9999
>>>> Configure your browser to use this server and port as its proxy
>>>> Browse any page and CTRL-ALT-DblClick on the page to bring up the Sahi Controller
-----
Reading browser types from: C:\Users\asobiesiak\Documents\QA\Twist\Sample Project\sahi\userdata\config\browser_types.xml
Opera was not found at C:\Program Files (x86) (x86)\Opera\opera.exe
Chrome was not found at C:\Users\asobiesiak\AppData\Local\Google\Chrome\Application\chrome.exe
Safari was not found at C:\Program Files (x86) (x86)\Safari\Safari.exe
Firefox 4 was not found at C:\Program Files (x86) (x86)\Mozilla Firefox 4.0 Beta 7\firefox.exe
Firefox was not found at C:\Program Files (x86) (x86)\Mozilla Firefox\firefox.exe
IE 8 was not found at C:\Program Files (x86) (x86)\Internet Explorer\iexplore.exe
-----
Twist cannot toggle the proxy. Please set the proxy manually for recording. You will also have to unset it later
Feb 26, 2015 9:51:00 AM net.sf.sahi.ssl.SSLHelper getKeyManagerFactoryForRemoteFetch
INFO: No SSL Client Cert specified
Feb 26, 2015 9:51:00 AM net.sf.sahi.test.ProcessHelper execute
INFO: "C:\Users\asobiesiak\AppData\Local\Google\Chrome\Application\chrome.exe" --proxy-server=localhost:9999 --disable-popup-blocking "http://sahi.example.com/_s_/dyn/Driver_start?sahisid=sahi_88c7138a0156b04e2c0bb5c0f41afa4b5db5__SahiAmpersandSahi__startUrl=http%3A%2F%2Fsahi.example.com%2F_s_%2Fdyn%2FDriver_initialized%3FstartUrl%3Dhttp%253A%252F%252Fsahi.example.com%252F_s_%252Fdyn%252FDriver_initialized"
Feb 26, 2015 9:51:00 AM net.sf.sahi.command.CommandExecuter execute
WARNING: commandClass = >net.sf.sahi.command.Driver< commandMethod = >launchAndPlayback<
Feb 26, 2015 9:51:00 AM net.sf.sahi.command.CommandExecuter execute
WARNING: java.lang.reflect.InvocationTargetException
	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 net.sf.sahi.command.CommandExecuter.execute(CommandExecuter.java:55)
	at net.sf.sahi.LocalRequestProcessor.handleDyn(LocalRequestProcessor.java:67)
	at net.sf.sahi.LocalRequestProcessor.getLocalResponse(LocalRequestProcessor.java:40)
	at net.sf.sahi.ProxyProcessor.processLocally(ProxyProcessor.java:209)
	at net.sf.sahi.ProxyProcessor.run(ProxyProcessor.java:86)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: Cannot run program "C:\Users\asobiesiak\AppData\Local\Google\Chrome\Application\chrome.exe": CreateProcess error=2, The system cannot find the file specified
	at java.lang.ProcessBuilder.start(Unknown Source)
	at java.lang.Runtime.exec(Unknown Source)
	at java.lang.Runtime.exec(Unknown Source)
	at net.sf.sahi.util.Utils.executeAndGetProcess(Utils.java:546)
	at net.sf.sahi.test.ProcessHelper.execute(ProcessHelper.java:75)
	at net.sf.sahi.test.BrowserLauncher.openURL(BrowserLauncher.java:60)
	at net.sf.sahi.command.Driver.launch(Driver.java:94)
	at net.sf.sahi.command.Driver.launchBrowser(Driver.java:63)
	at net.sf.sahi.command.Driver.launchAndPlayback(Driver.java:56)
	... 12 more
Caused by: java.io.IOException: CreateProcess error=2, The system cannot find the file specified
	at java.lang.ProcessImpl.create(Native Method)
	at java.lang.ProcessImpl.<init>(Unknown Source)
	at java.lang.ProcessImpl.start(Unknown Source)
	... 21 more

Keytool command found at: keytool
Feb 26, 2015 9:51:55 AM net.sf.sahi.command.CommandExecuter execute
WARNING: commandClass = >net.sf.sahi.command.Driver< commandMethod = >setStep<
Feb 26, 2015 9:51:55 AM net.sf.sahi.command.CommandExecuter execute
WARNING: java.lang.reflect.InvocationTargetException
	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 net.sf.sahi.command.CommandExecuter.execute(CommandExecuter.java:55)
	at net.sf.sahi.LocalRequestProcessor.handleDyn(LocalRequestProcessor.java:67)
	at net.sf.sahi.LocalRequestProcessor.getLocalResponse(LocalRequestProcessor.java:40)
	at net.sf.sahi.ProxyProcessor.processLocally(ProxyProcessor.java:209)
	at net.sf.sahi.ProxyProcessor.run(ProxyProcessor.java:86)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
	at net.sf.sahi.command.Driver.setStep(Driver.java:235)
	at net.sf.sahi.command.Driver.setStep(Driver.java:145)
	... 10 more

Twist cannot toggle the proxy. Please set the proxy manually for recording. You will also have to unset it later
socket closed
Java HotSpot(TM) Client VM warning: ignoring option MaxPermSize=256m; support was removed in 8.0