Qiang Zhang created RANGER-1859:
-----------------------------------
Summary: Fix new findBugs in HdfsClient.java
Key: RANGER-1859
URL: https://issues.apache.org/jira/browse/RANGER-1859
Project: Ranger
Issue Type: Bug
Components: admin
Affects Versions: 1.0.0
Reporter: Qiang Zhang
Assignee: Qiang Zhang
Fix For: 1.0.0
There is FindBugs: Performance (FB.SBSC_USE_STRINGBUFFER_CONCATENATION) in
org.apache.ranger.services.hdfs.client.HdfsClient.validateConnectionConfigs(Map<String,
String>)
{code}
if (fsDefaultNameElements != null && fsDefaultNameElements.length >= 2) {
String cluster = "";
StringBuffer clusters = new StringBuffer();
configs.put("dfs.nameservices", "hdfscluster");
configs.put("fs.default.name", "hdfs://" +
configs.get("dfs.nameservices"));
configs.put("dfs.client.failover.proxy.provider." +
configs.get("dfs.nameservices"),
"org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider");
for (int i = 0; i < fsDefaultNameElements.length; i++) {
cluster = "namenode" + (i + 1);
configs.put("dfs.namenode.rpc-address." +
configs.get("dfs.nameservices") + "." + cluster,
fsDefaultNameElements[i]);
if (i == (fsDefaultNameElements.length - 1)) {
clusters.append(cluster);
} else {
clusters.append(cluster).append(",");
}
}
configs.put("dfs.ha.namenodes." + configs.get("dfs.nameservices"),
clusters.toString());
}
{code}
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