Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/1153#discussion_r41128661
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/util/ZooKeeperUtils.java
---
@@ -153,6 +176,143 @@ public static ZooKeeperLeaderElectionService
createLeaderElectionService(
}
/**
+ * Creates a {@link ZooKeeperSubmittedJobGraphs} instance.
+ *
+ * @param client The {@link CuratorFramework} ZooKeeper client
to use
+ * @param configuration {@link Configuration} object
+ * @return {@link ZooKeeperSubmittedJobGraphs} instance
+ */
+ public static ZooKeeperSubmittedJobGraphs createSubmittedJobGraphs(
+ CuratorFramework client,
+ Configuration configuration) throws Exception {
+
+ checkNotNull(configuration, "Configuration");
+
+ // State backend
+ String stateBackend = configuration.getString(
+ ConfigConstants.STATE_BACKEND,
+ ConfigConstants.DEFAULT_STATE_BACKEND);
+
+ if (!stateBackend.toLowerCase().equals("filesystem")) {
+ throw new IllegalConfigurationException(String.format(
+ "You currently have to configure the
filesystem state backend in order for " +
+ "ZooKeeper recovery to
work. Flink will use this backend to store " +
+ "meta data to recover
jobs. Please set '%s' to 'FILESYSTEM' in the " +
+ "configuration and set
the recovery path via key '%s'.",
+ ConfigConstants.STATE_BACKEND,
+
ConfigConstants.STATE_BACKEND_FS_RECOVERY_PATH));
+ }
+
+ // State backend root dir
+ String stateBackendPath = configuration.getString(
+ ConfigConstants.STATE_BACKEND_FS_RECOVERY_PATH,
+ "");
+
+ if (stateBackendPath.equals("")) {
+ throw new IllegalConfigurationException(String.format(
+ "You have to specify a path for the
file system state backend for storing " +
+ "recovery information.
Please set the configuration key '%s'.",
+
ConfigConstants.STATE_BACKEND_FS_RECOVERY_PATH));
+ }
--- End diff --
This could be part of the factory method check.
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