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NPE when no setting name passed to elasticsearch-keystore 

```h
$ bin/elasticsearch-keystore create
Created elasticsearch keystore in /Users/dpilato/Documents/Elasticsearch/apps/elasticsearch/elasticsearch-6.0.0-alpha1/config
$ bin/elasticsearch-keystore add
Enter value for null: xyz
Exception in thread "main" java.lang.NullPointerException: invalid null input
	at java.security.KeyStore.setEntry(KeyStore.java:1552)
	at org.elasticsearch.common.settings.KeyStoreWrapper.setString(KeyStoreWrapper.java:264)
	at org.elasticsearch.common.settings.AddStringKeyStoreCommand.execute(AddStringKeyStoreCommand.java:83)
	at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:58)
	at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:122)
	at org.elasticsearch.cli.MultiCommand.execute(MultiCommand.java:69)
	at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:122)
	at org.elasticsearch.cli.Command.main(Command.java:88)
	at org.elasticsearch.common.settings.KeyStoreCli.main(KeyStoreCli.java:39)
```
This commit is contained in:
David Pilato 2017-01-13 12:20:20 +01:00
parent f18d5f22ce
commit 726c05b7c5
1 changed files with 3 additions and 0 deletions
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3
core/src/main/java/org/elasticsearch/common/settings/AddStringKeyStoreCommand.java
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@ -64,6 +64,9 @@ class AddStringKeyStoreCommand extends EnvironmentAwareCommand {
keystore.decrypt(new char[0] /* TODO: prompt for password when they are supported */);
String setting = arguments.value(options);
if (setting == null) {
throw new UserException(ExitCodes.DATA_ERROR, "the setting name can not be null.");
}
if (keystore.getSettings().contains(setting) && options.has(forceOption) == false) {
if (terminal.promptYesNo("Setting " + setting + " already exists. Overwrite?", false) == false) {
terminal.println("Exiting without modifying keystore.");