Xieming Li created HADOOP-17080:
-----------------------------------

             Summary: javadocs fails for hadoop-federation-balance
                 Key: HADOOP-17080
                 URL: https://issues.apache.org/jira/browse/HADOOP-17080
             Project: Hadoop Common
          Issue Type: Improvement
            Reporter: Xieming Li
            Assignee: Xieming Li


javadoc fails for hadoop-federation-balance

{code:java}
[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-javadoc-plugin:3.0.1:jar (module-javadocs) on 
project hadoop-federation-balance: MavenReportException: Error while generating 
Javadoc:
[ERROR] Exit code: 1 - 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedure.java:124:
 warning: no @throws for java.io.IOException
[ERROR]   public abstract boolean execute() throws RetryException, IOException;
[ERROR]                           ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedure.java:129:
 warning: no @return
[ERROR]   public long delayMillisBeforeRetry() {
[ERROR]               ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedure.java:136:
 warning: no @return
[ERROR]   protected boolean isSchedulerShutdown() {
[ERROR]                     ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedure.java:151:
 warning: no @return
[ERROR]   public String nextProcedure() {
[ERROR]                 ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedure.java:158:
 warning: no @return
[ERROR]   public String name() {
[ERROR]                 ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/DistCpProcedure.java:124:
 warning: no @throws for java.io.IOException
[ERROR]   public DistCpProcedure(String name, String nextProcedure, long 
delayDuration,
[ERROR]          ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/MountTableProcedure.java:46:
 error: bad use of '>'
[ERROR]  *   /a/b/c -> {ns:src path:/a/b/c}
[ERROR]              ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/MountTableProcedure.java:48:
 error: bad use of '>'
[ERROR]  *   /a/b/c -> {ns:dst path:/a/b/c}
[ERROR]              ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/MountTableProcedure.java:66:
 warning: no @param for name
[ERROR]   public MountTableProcedure(String name, String nextProcedure,
[ERROR]          ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/MountTableProcedure.java:66:
 warning: no @param for nextProcedure
[ERROR]   public MountTableProcedure(String name, String nextProcedure,
[ERROR]          ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/MountTableProcedure.java:66:
 warning: no @param for delayDuration
[ERROR]   public MountTableProcedure(String name, String nextProcedure,
[ERROR]          ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/MountTableProcedure.java:66:
 warning: no @param for dstNs
[ERROR]   public MountTableProcedure(String name, String nextProcedure,
[ERROR]          ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/MountTableProcedure.java:66:
 warning: no @throws for java.io.IOException
[ERROR]   public MountTableProcedure(String name, String nextProcedure,
[ERROR]          ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/TrashProcedure.java:52:
 warning: no @throws for java.io.IOException
[ERROR]   public TrashProcedure(String name, String nextProcedure, long 
delayDuration,
[ERROR]          ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJob.java:186:
 warning: no @return
[ERROR]   public String getId() {
[ERROR]                 ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJob.java:194:
 warning: no @return
[ERROR]   public boolean shouldRemoveAfterDone() {
[ERROR]                  ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJob.java:211:
 warning: no @return
[ERROR]   public boolean isJobDone() {
[ERROR]                  ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJob.java:218:
 warning: no @throws for java.lang.InterruptedException
[ERROR]   public synchronized void waitJobDone() throws InterruptedException {
[ERROR]                            ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJob.java:228:
 warning: no @return
[ERROR]   public Exception getError() {
[ERROR]                    ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJob.java:332:
 warning: no @return
[ERROR]   public String getDetailMessage() {
[ERROR]                 ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJob.java:71:
 warning: no @param for procedure
[ERROR]     public Builder nextProcedure(T procedure) {
[ERROR]                    ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJob.java:71:
 warning: no @return
[ERROR]     public Builder nextProcedure(T procedure) {
[ERROR]                    ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJob.java:85:
 warning: no @param for remove
[ERROR]     public Builder removeAfterDone(boolean remove) {
[ERROR]                    ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJob.java:85:
 warning: no @return
[ERROR]     public Builder removeAfterDone(boolean remove) {
[ERROR]                    ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJournal.java:32:
 warning: no @param for job
[ERROR]   void saveJob(BalanceJob job) throws IOException;
[ERROR]        ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJournal.java:32:
 warning: no @throws for java.io.IOException
[ERROR]   void saveJob(BalanceJob job) throws IOException;
[ERROR]        ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJournal.java:37:
 warning: no @param for job
[ERROR]   void recoverJob(BalanceJob job) throws IOException;
[ERROR]        ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJournal.java:37:
 warning: no @throws for java.io.IOException
[ERROR]   void recoverJob(BalanceJob job) throws IOException;
[ERROR]        ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJournal.java:42:
 warning: no @return
[ERROR]   BalanceJob[] listAllJobs() throws IOException;
[ERROR]                ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJournal.java:42:
 warning: no @throws for java.io.IOException
[ERROR]   BalanceJob[] listAllJobs() throws IOException;
[ERROR]                ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJournal.java:47:
 warning: no @param for job
[ERROR]   void clear(BalanceJob job) throws IOException;
[ERROR]        ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceJournal.java:47:
 warning: no @throws for java.io.IOException
[ERROR]   void clear(BalanceJob job) throws IOException;
[ERROR]        ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedureScheduler.java:96:
 warning: no @throws for java.io.IOException
[ERROR]   public synchronized void init(boolean recoverJobs) throws IOException 
{
[ERROR]                            ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedureScheduler.java:128:
 warning: no @param for job
[ERROR]   public synchronized void submit(BalanceJob job) throws IOException {
[ERROR]                            ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedureScheduler.java:128:
 warning: no @throws for java.io.IOException
[ERROR]   public synchronized void submit(BalanceJob job) throws IOException {
[ERROR]                            ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedureScheduler.java:144:
 warning: no @param for job
[ERROR]   public BalanceJob remove(BalanceJob job) {
[ERROR]                     ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedureScheduler.java:144:
 warning: no @return
[ERROR]   public BalanceJob remove(BalanceJob job) {
[ERROR]                     ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedureScheduler.java:162:
 warning: no @param for job
[ERROR]   public BalanceJob findJob(BalanceJob job) {
[ERROR]                     ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedureScheduler.java:176:
 warning: no @return
[ERROR]   public Collection<BalanceJob> getAllJobs() {
[ERROR]                                 ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedureScheduler.java:183:
 warning: no @param for job
[ERROR]   public void waitUntilDone(BalanceJob job) {
[ERROR]               ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedureScheduler.java:236:
 warning: no @return
[ERROR]   public boolean isRunning() {
[ERROR]                  ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedureScheduler.java:57:
 error: malformed HTML
[ERROR]  *   Job.Builder builder = new Job.Builder<>();
[ERROR]                                           ^
[ERROR] 
/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/src/main/java/org/apache/hadoop/tools/fedbalance/procedure/BalanceProcedureScheduler.java:57:
 error: bad use of '>'
[ERROR]  *   Job.Builder builder = new Job.Builder<>();
[ERROR]                                            ^
[ERROR]
[ERROR] Command line was: 
/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre/../bin/javadoc
 @options @packages
[ERROR]
[ERROR] Refer to the generated Javadoc files in 
'/Users/sri/projects/hadoop-mirror/hadoop-tools/hadoop-federation-balance/target/apidocs'
 dir.
[ERROR]
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e 
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please 
read the following articles:
[ERROR] [Help 1] 
http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <args> -rf :hadoop-federation-balance

{code}



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