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java.lang.NumberFormatException: null	at java.lang.Integer.parseInt(Integer.java:454)	at java.lang.Byte.parseByte(Byte.java:148)	at java.lang.Byte.parseByte(Byte.java:174)	at com.hazelcast.instance.BuildInfoProvider.getBuildInfo(BuildInfoProvider.java:67)	at com.hazelcast.config.AbstractXmlConfigHelper.getReleaseVersion(AbstractXmlConfigHelper.java:210)	at com.hazelcast.config.AbstractXmlConfigHelper.(AbstractXmlConfigHelper.java:72)	at com.hazelcast.config.AbstractConfigBuilder.(AbstractConfigBuilder.java:60)	at com.hazelcast.config.XmlConfigBuilder.(XmlConfigBuilder.java:156)	at com.hazelcast.instance.HazelcastInstanceFactory.newHazelcastInstance(HazelcastInstanceFactory.java:109)	at com.hazelcast.core.Hazelcast.newHazelcastInstance(Hazelcast.java:58)	at com.hazelcast.cache.CacheUnitTest.(CacheUnitTest.java:17)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)	at org.testng.internal.ObjectFactoryImpl.newInstance(ObjectFactoryImpl.java:28)	at org.testng.internal.ClassHelper.createInstance1(ClassHelper.java:372)	at org.testng.internal.ClassHelper.createInstance(ClassHelper.java:284)	at org.testng.internal.ClassImpl.getDefaultInstance(ClassImpl.java:109)	at org.testng.internal.ClassImpl.getInstances(ClassImpl.java:181)	at org.testng.internal.TestNGClassFinder.(TestNGClassFinder.java:120)	at org.testng.TestRunner.initMethods(TestRunner.java:402)	at org.testng.TestRunner.init(TestRunner.java:228)	at org.testng.TestRunner.init(TestRunner.java:198)	at org.testng.TestRunner.(TestRunner.java:154)	at org.testng.remote.RemoteTestNG$1.newTestRunner(RemoteTestNG.java:141)	at org.testng.remote.RemoteTestNG$DelegatingTestRunnerFactory.newTestRunner(RemoteTestNG.java:270)	at org.testng.SuiteRunner$ProxyTestRunnerFactory.newTestRunner(SuiteRunner.java:561)	at org.testng.SuiteRunner.init(SuiteRunner.java:156)	at org.testng.SuiteRunner.(SuiteRunner.java:110)	at org.testng.TestNG.createSuiteRunner(TestNG.java:1235)	at org.testng.TestNG.createSuiteRunners(TestNG.java:1222)	at org.testng.TestNG.runSuitesLocally(TestNG.java:1074)	at org.testng.TestNG.run(TestNG.java:999)	at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:111)	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:203)	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:174)	at org.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:125)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)