org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
Script4.groovy: 18: unable to resolve class com.squareup.okhttp.OkHttpClient
 @ line 18, column 1.
   import com.squareup.okhttp.OkHttpClient;
   ^
org.codehaus.groovy.syntax.SyntaxException: unable to resolve class com.squareup.okhttp.OkHttpClient
 @ line 18, column 1.
	at org.codehaus.groovy.ast.ClassCodeVisitorSupport.addError(ClassCodeVisitorSupport.java:262)
	at org.codehaus.groovy.control.ResolveVisitor.visitClass(ResolveVisitor.java:1434)
	at org.codehaus.groovy.control.ResolveVisitor.startResolving(ResolveVisitor.java:262)
	at org.codehaus.groovy.control.CompilationUnit.lambda$new$16(CompilationUnit.java:738)
	at org.codehaus.groovy.control.CompilationUnit$ISourceUnitOperation.doPhaseOperation(CompilationUnit.java:901)
	at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:627)
	at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:389)
	at groovy.lang.GroovyClassLoader.lambda$parseClass$3(GroovyClassLoader.java:332)
	at org.codehaus.groovy.runtime.memoize.StampedCommonCache.compute(StampedCommonCache.java:163)
	at org.codehaus.groovy.runtime.memoize.StampedCommonCache.getAndPut(StampedCommonCache.java:154)
	at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:330)
	at groovy.lang.GroovyShell.parseClass(GroovyShell.java:526)
	at groovy.lang.GroovyShell.parse(GroovyShell.java:538)
	at groovy.lang.GroovyShell.parse(GroovyShell.java:570)
	at groovy.lang.GroovyShell.parse(GroovyShell.java:565)
	at com.eviware.soapui.support.scripting.groovy.SoapUIGroovyScriptEngine.recompileWithNewName(SoapUIGroovyScriptEngine.java:158)
	at com.eviware.soapui.support.scripting.groovy.SoapUIGroovyScriptEngine.compile(SoapUIGroovyScriptEngine.java:149)
	at com.eviware.soapui.support.scripting.groovy.SoapUIGroovyScriptEngine.run(SoapUIGroovyScriptEngine.java:94)
	at com.eviware.soapui.support.scripting.groovy.SoapUIProGroovyScriptEngineFactory$SoapUIProGroovyScriptEngine.run(SoapUIProGroovyScriptEngineFactory.java:98)
	at com.eviware.soapui.impl.wsdl.teststeps.WsdlGroovyScriptTestStep.run(WsdlGroovyScriptTestStep.java:159)
	at com.eviware.soapui.impl.wsdl.panels.teststeps.GroovyScriptStepDesktopPanel$RunAction$1.run(GroovyScriptStepDesktopPanel.java:344)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:833)

Script4.groovy: 19: unable to resolve class okhttp3.OkHttpClient
 @ line 19, column 1.
   import okhttp3.OkHttpClient;
   ^
org.codehaus.groovy.syntax.SyntaxException: unable to resolve class okhttp3.OkHttpClient
 @ line 19, column 1.
	at org.codehaus.groovy.ast.ClassCodeVisitorSupport.addError(ClassCodeVisitorSupport.java:262)
	at org.codehaus.groovy.control.ResolveVisitor.visitClass(ResolveVisitor.java:1434)
	at org.codehaus.groovy.control.ResolveVisitor.startResolving(ResolveVisitor.java:262)
	at org.codehaus.groovy.control.CompilationUnit.lambda$new$16(CompilationUnit.java:738)
	at org.codehaus.groovy.control.CompilationUnit$ISourceUnitOperation.doPhaseOperation(CompilationUnit.java:901)
	at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:627)
	at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:389)
	at groovy.lang.GroovyClassLoader.lambda$parseClass$3(GroovyClassLoader.java:332)
	at org.codehaus.groovy.runtime.memoize.StampedCommonCache.compute(StampedCommonCache.java:163)
	at org.codehaus.groovy.runtime.memoize.StampedCommonCache.getAndPut(StampedCommonCache.java:154)
	at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:330)
	at groovy.lang.GroovyShell.parseClass(GroovyShell.java:526)
	at groovy.lang.GroovyShell.parse(GroovyShell.java:538)
	at groovy.lang.GroovyShell.parse(GroovyShell.java:570)
	at groovy.lang.GroovyShell.parse(GroovyShell.java:565)
	at com.eviware.soapui.support.scripting.groovy.SoapUIGroovyScriptEngine.recompileWithNewName(SoapUIGroovyScriptEngine.java:158)
	at com.eviware.soapui.support.scripting.groovy.SoapUIGroovyScriptEngine.compile(SoapUIGroovyScriptEngine.java:149)
	at com.eviware.soapui.support.scripting.groovy.SoapUIGroovyScriptEngine.run(SoapUIGroovyScriptEngine.java:94)
	at com.eviware.soapui.support.scripting.groovy.SoapUIProGroovyScriptEngineFactory$SoapUIProGroovyScriptEngine.run(SoapUIProGroovyScriptEngineFactory.java:98)
	at com.eviware.soapui.impl.wsdl.teststeps.WsdlGroovyScriptTestStep.run(WsdlGroovyScriptTestStep.java:159)
	at com.eviware.soapui.impl.wsdl.panels.teststeps.GroovyScriptStepDesktopPanel$RunAction$1.run(GroovyScriptStepDesktopPanel.java:344)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:833)

2 errors

See Error Log for details.