In trying to execute the following....
tag_names = ['[System]Gateway/SystemName', '[System]Client/User/Username', '[System]Client/User/OSUsername']
tags = system.tag.readAll(tag_names)
print tags
Getting NPE
Java Traceback:
Traceback (most recent call last):
File "", line 2, in
at java.base/java.util.concurrent.CompletableFuture.reportGet(Unknown Source)
at java.base/java.util.concurrent.CompletableFuture.get(Unknown Source)
at com.inductiveautomation.ignition.client.script.LegacyClientTagUtilities.read(LegacyClientTagUtilities.java:142)
at com.inductiveautomation.ignition.common.script.builtin.LegacyTagUtilities.readAll(LegacyTagUtilities.java:191)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
java.util.concurrent.ExecutionException: java.util.concurrent.ExecutionException: java.lang.NullPointerException
at org.python.core.Py.JavaError(Py.java:552)
at com.inductiveautomation.ignition.common.script.builtin.LegacyTagUtilities.readAll(LegacyTagUtilities.java:193)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
at org.python.core.PyReflectedFunction.call(PyReflectedFunction.java:188)
at com.inductiveautomation.ignition.common.script.ScriptManager$ReflectedInstanceFunction.call(ScriptManager.java:436)
at org.python.core.PyObject.call(PyObject.java:480)
at org.python.core.PyObject.call(PyObject.java:484)
at org.python.pycode._pyx74.f$0(:3)
at org.python.pycode._pyx74.call_function()
at org.python.core.PyTableCode.call(PyTableCode.java:171)
at org.python.core.PyCode.call(PyCode.java:18)
at org.python.core.Py.runCode(Py.java:1614)
at org.python.core.Py.exec(Py.java:1658)
at org.python.util.PythonInterpreter.exec(PythonInterpreter.java:276)
at org.python.util.InteractiveInterpreter.runcode(InteractiveInterpreter.java:131)
at org.python.util.InteractiveInterpreter.runsource(InteractiveInterpreter.java:116)
at com.inductiveautomation.ignition.desgner.gui.tools.jythonconsole.JythonConsole$InterpreterWorker.doInBackground(JythonConsole.java:476)
at com.inductiveautomation.ignition.designer.gui.tools.jythonconsole.JythonConsole$InterpreterWorker.doInBackground(JythonConsole.java:464)
at java.desktop/javax.swing.SwingWorker$1.call(Unknown Source)
at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
at java.desktop/javax.swing.SwingWorker.run(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)
Caused by: java.util.concurrent.ExecutionException: java.lang.NullPointerException
at java.base/java.util.concurrent.CompletableFuture.reportGet(Unknown Source)
at java.base/java.util.concurrent.CompletableFuture.get(Unknown Source)
at com.inductiveautomation.ignition.client.script.LegacyClientTagUtilities.read(LegacyClientTagUtilities.java:142)
at com.inductiveautomation.ignition.common.script.builtin.LegacyTagUtilities.readAll(LegacyTagUtilities.java:191)
... 25 more
Caused by: java.lang.NullPointerException
at com.inductiveautomation.ignition.client.sqltags.impl.SubManagerAdapter.lambda$readAsync$1(SubManagerAdapter.java:126)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(Unknown Source)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(Unknown Source)
at java.base/java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(Unknown Source)
at java.base/java.util.concurrent.ForkJoinPool.scan(Unknown Source)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
Traceback (most recent call last):
File "", line 2, in
at java.base/java.util.concurrent.CompletableFuture.reportGet(Unknown Source)
at java.base/java.util.concurrent.CompletableFuture.get(Unknown Source)
at com.inductiveautomation.ignition.client.script.LegacyClientTagUtilities.read(LegacyClientTagUtilities.java:142)
at com.inductiveautomation.ignition.common.script.builtin.LegacyTagUtilities.readAll(LegacyTagUtilities.java:191)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
java.util.concurrent.ExecutionException: java.util.concurrent.ExecutionException: java.lang.NullPointerException
Would expect a list of qualified values returned.
Running 8.0.0-beta0 (b2018121302) in the Script Console.