diff --git a/java/core/src/main/java/com/google/protobuf/AbstractMessage.java b/java/core/src/main/java/com/google/protobuf/AbstractMessage.java
index 46ddbf4..7639efc 100644
--- a/java/core/src/main/java/com/google/protobuf/AbstractMessage.java
+++ b/java/core/src/main/java/com/google/protobuf/AbstractMessage.java
@@ -490,7 +490,7 @@
 
     /**
      * Used to support nested builders and called to mark this builder as clean.
-     * Clean builders will propagate the {@link BuildParent#markDirty()} event
+     * Clean builders will propagate the {@link BuilderParent#markDirty()} event
      * to their parent builders, while dirty builders will not, as their parents
      * should be dirty already.
      *
diff --git a/java/core/src/main/java/com/google/protobuf/ByteOutput.java b/java/core/src/main/java/com/google/protobuf/ByteOutput.java
index 8b7b04c..ee58875 100644
--- a/java/core/src/main/java/com/google/protobuf/ByteOutput.java
+++ b/java/core/src/main/java/com/google/protobuf/ByteOutput.java
@@ -37,11 +37,11 @@
  * An output target for raw bytes. This interface provides semantics that support two types of
  * writing:
  *
- * <p/><b>Traditional write operations:</b>
+ * <p><b>Traditional write operations:</b>
  * (as defined by {@link java.io.OutputStream}) where the target method is responsible for either
  * copying the data or completing the write before returning from the method call.
  *
- * <p/><b>Lazy write operations:</b> where the caller guarantees that it will never modify the
+ * <p><b>Lazy write operations:</b> where the caller guarantees that it will never modify the
  * provided buffer and it can therefore be considered immutable. The target method is free to
  * maintain a reference to the buffer beyond the scope of the method call (e.g. until the write
  * operation completes).
diff --git a/java/core/src/main/java/com/google/protobuf/Internal.java b/java/core/src/main/java/com/google/protobuf/Internal.java
index d1de375..3b4a041 100644
--- a/java/core/src/main/java/com/google/protobuf/Internal.java
+++ b/java/core/src/main/java/com/google/protobuf/Internal.java
@@ -611,12 +611,12 @@
     int getInt(int index);
 
     /**
-     * Like {@link #add(Integer)} but more efficient in that it doesn't box the element.
+     * Like {@link #add(Object)} but more efficient in that it doesn't box the element.
      */
     void addInt(int element);
 
     /**
-     * Like {@link #set(int, Integer)} but more efficient in that it doesn't box the element.
+     * Like {@link #set(int, Object)} but more efficient in that it doesn't box the element.
      */
     int setInt(int index, int element);
 
@@ -639,12 +639,12 @@
     boolean getBoolean(int index);
 
     /**
-     * Like {@link #add(Boolean)} but more efficient in that it doesn't box the element.
+     * Like {@link #add(Object)} but more efficient in that it doesn't box the element.
      */
     void addBoolean(boolean element);
 
     /**
-     * Like {@link #set(int, Boolean)} but more efficient in that it doesn't box the element.
+     * Like {@link #set(int, Object)} but more efficient in that it doesn't box the element.
      */
     boolean setBoolean(int index, boolean element);
 
@@ -667,12 +667,12 @@
     long getLong(int index);
 
     /**
-     * Like {@link #add(Long)} but more efficient in that it doesn't box the element.
+     * Like {@link #add(Object)} but more efficient in that it doesn't box the element.
      */
     void addLong(long element);
 
     /**
-     * Like {@link #set(int, Long)} but more efficient in that it doesn't box the element.
+     * Like {@link #set(int, Object)} but more efficient in that it doesn't box the element.
      */
     long setLong(int index, long element);
 
@@ -695,12 +695,12 @@
     double getDouble(int index);
 
     /**
-     * Like {@link #add(Double)} but more efficient in that it doesn't box the element.
+     * Like {@link #add(Object)} but more efficient in that it doesn't box the element.
      */
     void addDouble(double element);
 
     /**
-     * Like {@link #set(int, Double)} but more efficient in that it doesn't box the element.
+     * Like {@link #set(int, Object)} but more efficient in that it doesn't box the element.
      */
     double setDouble(int index, double element);
 
@@ -723,12 +723,12 @@
     float getFloat(int index);
 
     /**
-     * Like {@link #add(Float)} but more efficient in that it doesn't box the element.
+     * Like {@link #add(Object)} but more efficient in that it doesn't box the element.
      */
     void addFloat(float element);
 
     /**
-     * Like {@link #set(int, Float)} but more efficient in that it doesn't box the element.
+     * Like {@link #set(int, Object)} but more efficient in that it doesn't box the element.
      */
     float setFloat(int index, float element);
 
diff --git a/java/core/src/main/java/com/google/protobuf/Parser.java b/java/core/src/main/java/com/google/protobuf/Parser.java
index 6db6924..cfbcb44 100644
--- a/java/core/src/main/java/com/google/protobuf/Parser.java
+++ b/java/core/src/main/java/com/google/protobuf/Parser.java
@@ -39,7 +39,7 @@
  *
  * <p>All methods may throw {@link InvalidProtocolBufferException}. In the event of invalid data,
  * like an encoding error, the cause of the thrown exception will be {@code null}. However, if an
- * I/O problem occurs, an exception is thrown with an {@link IOException} cause.
+ * I/O problem occurs, an exception is thrown with an {@link java.io.IOException} cause.
  *
  * @author liujisi@google.com (Pherl Liu)
  */
diff --git a/java/core/src/main/java/com/google/protobuf/TextFormatParseInfoTree.java b/java/core/src/main/java/com/google/protobuf/TextFormatParseInfoTree.java
index 2ecf912..5c43b2c 100644
--- a/java/core/src/main/java/com/google/protobuf/TextFormatParseInfoTree.java
+++ b/java/core/src/main/java/com/google/protobuf/TextFormatParseInfoTree.java
@@ -45,7 +45,7 @@
  *
  * <p>The locations of primary fields values are retrieved by {@code getLocation} or
  * {@code getLocations}.  The locations of sub message values are within nested
- * {@code TextFormatParseInfoTree}s and are retrieve by {@getNestedTree} or {code @getNestedTrees}.
+ * {@code TextFormatParseInfoTree}s and are retrieve by {@code getNestedTree} or {@code getNestedTrees}.
  *
  * <p>The {@code TextFormatParseInfoTree} is created by a Builder.
  */
@@ -197,7 +197,7 @@
      * Set for a sub message.
      *
      * <p>A new builder is created for a sub message. The builder that is returned is a new builder.
-     * The return is <emph>not</emph> the invoked {@code builder.getBuilderForSubMessageField}.
+     * The return is <em>not</em> the invoked {@code builder.getBuilderForSubMessageField}.
      *
      * @param fieldDescriptor the field whose value is the submessage
      * @return a new Builder for the sub message
diff --git a/java/pom.xml b/java/pom.xml
index 2d7161b..2d8e9a1 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -152,6 +152,32 @@
       <build>
         <plugins>
           <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-source-plugin</artifactId>
+            <version>2.2.1</version>
+            <executions>
+              <execution>
+                <id>attach-sources</id>
+                <goals>
+                  <goal>jar-no-fork</goal>
+                </goals>
+              </execution>
+            </executions>
+          </plugin>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-javadoc-plugin</artifactId>
+            <version>2.9.1</version>
+            <executions>
+              <execution>
+                <id>attach-javadocs</id>
+                <goals>
+                  <goal>jar</goal>
+                </goals>
+              </execution>
+            </executions>
+          </plugin>
+          <plugin>
             <artifactId>maven-gpg-plugin</artifactId>
             <version>1.6</version>
             <executions>