klevy-toast opened a new pull request #6303: [hotfix] Remove problematic 
semicolon from conf
URL: https://github.com/apache/pulsar/pull/6303
 
 
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   **(The sections below can be removed for hotfixes of typos)**
   
   ### Motivation
   
   When trying to run pulsar standalone on my machine I encountered this error. 
   ```
   [AppClassLoader@3b192d32] info AspectJ Weaver Version 1.9.2 built on 
Wednesday Oct 24, 2018 at 15:43:33 GMT
   [AppClassLoader@3b192d32] info register classloader 
jdk.internal.loader.ClassLoaders$AppClassLoader@3b192d32
   [AppClassLoader@3b192d32] info using configuration 
file:/Users/kailevy/toast/git-repos/pulsar/pulsar-zookeeper/target/pulsar-zookeeper.jar!/META-INF/aop.xml
   [AppClassLoader@3b192d32] info using configuration 
file:/Users/kailevy/toast/git-repos/pulsar/pulsar-zookeeper-utils/target/pulsar-zookeeper-utils.jar!/META-INF/aop.xml
   [AppClassLoader@3b192d32] info register aspect 
org.apache.pulsar.zookeeper.FinalRequestProcessorAspect
   [AppClassLoader@3b192d32] info register aspect 
org.apache.pulsar.zookeeper.ZooKeeperServerAspect
   [AppClassLoader@3b192d32] info register aspect 
org.apache.pulsar.broker.zookeeper.aspectj.ClientCnxnAspect
   Warning: Nashorn engine is planned to be removed from a future JDK release
   Exception in thread "main" java.lang.IllegalArgumentException: failed to 
initialize bookkeeperExplicitLacIntervalInMills field while setting value 0;
        at 
org.apache.pulsar.common.util.FieldParser.lambda$update$0(FieldParser.java:146)
        at 
java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
        at 
java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658)
        at 
org.apache.pulsar.common.util.FieldParser.update(FieldParser.java:135)
        at 
org.apache.pulsar.common.configuration.PulsarConfigurationLoader.create(PulsarConfigurationLoader.java:97)
        at 
org.apache.pulsar.common.configuration.PulsarConfigurationLoader.create(PulsarConfigurationLoader.java:74)
        at 
org.apache.pulsar.PulsarStandaloneStarter.<init>(PulsarStandaloneStarter.java:60)
        at 
org.apache.pulsar.PulsarStandaloneStarter.main(PulsarStandaloneStarter.java:117)
   Caused by: java.lang.RuntimeException: Cannot convert from java.lang.String 
to java.lang.Integer. Conversion failed with null
        at 
org.apache.pulsar.common.util.FieldParser.convert(FieldParser.java:119)
        at org.apache.pulsar.common.util.FieldParser.value(FieldParser.java:190)
        at 
org.apache.pulsar.common.util.FieldParser.lambda$update$0(FieldParser.java:141)
        ... 7 more
   Caused by: java.lang.reflect.InvocationTargetException
        at jdk.internal.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at 
org.apache.pulsar.common.util.FieldParser.convert(FieldParser.java:115)
        ... 9 more
   Caused by: java.lang.NumberFormatException: For input string: "0;"
        at 
java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
        at java.base/java.lang.Integer.parseInt(Integer.java:652)
        at java.base/java.lang.Integer.valueOf(Integer.java:983)
        at 
org.apache.pulsar.common.util.FieldParser.stringToInteger(FieldParser.java:262)
        ... 13 more
   ```
   
   Looks to be a typo introduced in the config recently. 
   
   ### Modifications
   
   This change simply removes the offending semicolon from the default configs.
   
   
   ### Verifying this change
   
   - [ ] Make sure that the change passes the CI checks.
   
   *(Please pick either of the following options)*
   
   This change is a trivial rework / code cleanup without any test coverage.
   ### Does this pull request potentially affect one of the following parts:
   
   *If `yes` was chosen, please highlight the changes*
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - The public API: (no)
     - The schema: (no)
     - The default values of configurations: (yes)
     - The wire protocol: (no)
     - The rest endpoints: (no)
     - The admin cli options: (no)
     - Anything that affects deployment: (no)
   
   ### Documentation
   
     - Does this pull request introduce a new feature? (no)
   

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