java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at org.cloudifysource.esc.driver.provisioning.custom.customCloudDriver.setInstanceFromJson(customCloudDriver.java:359)
at org.cloudifysource.esc.driver.provisioning.custom.customCloudDriver.listTransactions(customCloudDriver.java:548)
at org.cloudifysource.esc.driver.provisioning.custom.customCloudDriver.findTransaction(customCloudDriver.java:480)
at org.cloudifysource.esc.driver.provisioning.custom.customCloudDriver.stopManagementMachines(customCloudDriver.java:455)
at org.cloudifysource.esc.shell.installer.CloudGridAgentBootstrapper.stopManagementMachines(CloudGridAgentBootstrapper.java:288)
at org.cloudifysource.esc.shell.installer.CloudGridAgentBootstrapper.boostrapCloudAndWait(CloudGridAgentBootstrapper.java:249)
at org.cloudifysource.esc.shell.commands.BootstrapCloud.doExecute(BootstrapCloud.java:197)
at org.cloudifysource.shell.commands.AbstractGSCommand.execute(AbstractGSCommand.java:81)
at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:474)
at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:400)
at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108)
at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183)
at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120)
at org.apache.karaf.shell.console.jline.Console.run(Console.java:172)
at org.apache.karaf.shell.console.Main.run(Main.java:191)
at org.cloudifysource.shell.GigaShellMain.main(GigaShellMain.java:123)

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