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https://issues.apache.org/jira/browse/RANGER-1859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Qiang Zhang updated RANGER-1859:
--------------------------------
Attachment: 0001-RANGER-1859-Fix-new-findBugs-in-HdfsClient.java.patch
> 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
> Labels: findbugs, patch
> Fix For: 1.0.0
>
> Attachments:
> 0001-RANGER-1859-Fix-new-findBugs-in-HdfsClient.java.patch
>
>
> 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}
> To view the defects in Coverity Scan visit,
> https://u2389337.ct.sendgrid.net/wf/click?upn=08onrYu34A-2BWcWUl-2F-2BfV0V05UPxvVjWch-2Bd2MGckcRZSbhom32dlDl11LWEm9nX11zsOWMf5dv3Q9Mogo-2FGua3FsLRTFft2V-2FOFC9o0P2e0-3D_d04ZgyDzSjlwpjXIuOFYDNE6R93Lal83MDClQK32PZtwvLNyXEpALHHKXqGKvroU5mWNsNiM7OVRdsl6DJR5LTUChq42fVbU-2Fr1jlwSSZ3yR3k4ycwZTS0QkKayVUGYhpHjV8vMdPHJwfZIZjeDvW59RoGHYuxr3UvsJzGHNk6gAvr6OuaH0vx6ZtLRw-2F0NLST5sMrn2kXHvdALOtTEjnQ-3D-3D
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