NullPointerException reading ice.properties

[sayan-rudder]

2020-06-01 03:29:50,750 [localhost-startStop-1] INFO BootStrap - Read ice.properties ...
| Error java.lang.NullPointerException
| Error at java.util.Hashtable.put(Hashtable.java:460)
| Error at java.util.Properties.setProperty(Properties.java:166)
| Error at java_util_Properties$setProperty$1.call(Unknown Source)
| Error at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
| Error at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
| Error at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:120)
| Error at BootStrap$_closure1.doCall(BootStrap.groovy:108)
| Error at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| Error at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
| Error at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
| Error at java.lang.reflect.Method.invoke(Method.java:498)
| Error at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
| Error at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324)
| Error at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1207)
| Error at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:1110)
| Error at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016)
| Error at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1081)
| Error at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:1110)
| Error at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016)
| Error at groovy.lang.Closure.call(Closure.java:423)
| Error at groovy.lang.Closure.call(Closure.java:417)
| Error at grails.util.Environment.evaluateEnvironmentSpecificBlock(Environment.java:327)
| Error at grails.util.Environment.executeForEnvironment(Environment.java:320)
| Error at grails.util.Environment.executeForCurrentEnvironment(Environment.java:296)
| Error at org.codehaus.groovy.grails.commons.DefaultGrailsBootstrapClass.callInit(DefaultGrailsBootstrapClass.java:60)
| Error at org.codehaus.groovy.grails.web.context.GrailsConfigUtils.executeGrailsBootstraps(GrailsConfigUtils.java:78)
| Error at org.codehaus.groovy.grails.web.context.GrailsContextLoaderListener.initWebApplicationContext(GrailsContextLoaderListener.java:110)
| Error at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)
| Error at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4728)
| Error at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5162)
| Error at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
| Error at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409)
| Error at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1399)
| Error at java.util.concurrent.FutureTask.run(FutureTask.java:266)
| Error at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
| Error at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
| Error at java.lang.Thread.run(Thread.java:748)
| Error 2020-06-01 03:29:51,161 [localhost-startStop-1] ERROR BootStrap - Startup failed
Message: null
Line | Method
->> 460 | put in java.util.Hashtable

---

| 166 | setProperty in java.util.Properties
| 108 | doCall . . . . . . . . . . . . . in BootStrap$_closure1
| 327 | evaluateEnvironmentSpecificBlock in grails.util.Environment
| 320 | executeForEnvironment . . . . . in ''
| 296 | executeForCurrentEnvironment in ''
| 266 | run . . . . . . . . . . . . . . in java.util.concurrent.FutureTask
| 1149 | runWorker in java.util.concurrent.ThreadPoolExecutor
| 624 | run . . . . . . . . . . . . . . in java.util.concurrent.ThreadPoolExecutor$Worker
^ 748 | run in java.lang.Thread

I replaced the configmap-ice.yaml files with values for <> fields.
Any pointers will be helpful

[sayan-rudder]

somewhat similar to #38 but on ice.properties