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wusheng pushed a commit to branch fix/javadoc
in repository https://gitbox.apache.org/repos/asf/incubator-skywalking.git


The following commit(s) were added to refs/heads/fix/javadoc by this push:
     new 1d6ca31  Commit many java doc fixes.
1d6ca31 is described below

commit 1d6ca31b62be57432206b4eff2c28b3f2bc1c0b6
Author: wu-sheng <[email protected]>
AuthorDate: Mon Feb 26 12:01:24 2018 +0800

    Commit many java doc fixes.
---
 .travis.yml                                        |  3 ++-
 ...PooledJdbcConnectionConstructorInterceptor.java |  4 ----
 .../define/AbstractConnectionInstrumentation.java  |  2 +-
 .../define/AbstractHttpClientInstrumentation.java  | 10 +++-------
 .../DefaultRequestDirectorInstrumentation.java     |  7 +++----
 .../define/InternalHttpClientInstrumentation.java  |  6 +++---
 .../define/MinimalHttpClientInstrumentation.java   |  5 +----
 .../jdbc/connectionurl/parser/H2URLParser.java     |  8 +-------
 .../jdbc/connectionurl/parser/MysqlURLParser.java  |  5 -----
 .../jdbc/connectionurl/parser/OracleURLParser.java |  8 ++------
 .../connectionurl/parser/PostgreSQLURLParser.java  |  5 -----
 .../apm/plugin/jdbc/trace/ConnectionInfo.java      |  2 +-
 .../v2/MongoDBCollectionMethodInterceptor.java     |  4 ++--
 .../plugin/mongodb/v2/define/InterceptPoint.java   |  2 +-
 .../MongoDBCollectionImplInstrumentation.java      | 16 ++++++++--------
 .../define/MongoDBCollectionInstrumentation.java   | 21 ++++++++++-----------
 .../mysql/CreateCallableStatementInterceptor.java  |  3 ---
 .../mysql/CreatePreparedStatementInterceptor.java  |  6 +-----
 .../jdbc/mysql/CreateStatementInterceptor.java     |  3 ---
 .../jdbc/mysql/define/CallableInstrumentation.java | 10 +++++-----
 .../mysql/define/ConnectionInstrumentation.java    |  4 ++--
 .../define/Mysql50ConnectionInstrumentation.java   |  2 +-
 .../define/PreparedStatementInstrumentation.java   | 14 +++++++-------
 .../mysql/define/StatementInstrumentation.java     | 22 +++++++++++-----------
 .../apm/plugin/okhttp/v3/RealCallInterceptor.java  | 12 ++----------
 .../okhttp/v3/define/RealCallInstrumentation.java  |  4 ----
 .../CreateCallableStatementInterceptor.java        |  5 +----
 .../CreatePreparedStatementInterceptor.java        |  5 +----
 .../postgresql/CreateStatementInterceptor.java     |  4 ----
 .../AbstractJdbc2StatementInstrumentation.java     |  6 +++---
 .../define/ConnectionInstrumentation.java          |  6 +++---
 .../define/Jdbc3ConnectionInstrumentation.java     |  8 ++++----
 .../define/Jdbc4ConnectionInstrumentation.java     |  6 +++---
 .../ExecutorEngineConstructorInterceptor.java      |  4 ++--
 .../spring/patch/CreateAopProxyInterceptor.java    |  2 +-
 .../tomcat78x/define/TomcatInstrumentation.java    |  5 -----
 ...cachedConstructorWithComplexArgInterceptor.java | 11 -----------
 ...achedConstructorWithHostPortArgInterceptor.java |  4 ----
 ...tructorWithInetSocketAddressArgInterceptor.java |  4 ----
 ...torWithInetSocketAddressListArgInterceptor.java |  3 ---
 .../v2/define/XMemcachedInstrumentation.java       |  9 +--------
 41 files changed, 86 insertions(+), 184 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 8bffa1a..dda8acb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,5 +9,6 @@ before_install:
 
 install:
   - jdk_switcher use oraclejdk8
-  - mvn clean install -Papache-release --quiet jacoco:report coveralls:report
+  - mvn clean install --quiet jacoco:report coveralls:report
+  - mvn javadoc:javadoc
 
diff --git 
a/apm-sniffer/apm-sdk-plugin/h2-1.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/h2/PooledJdbcConnectionConstructorInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/h2-1.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/h2/PooledJdbcConnectionConstructorInterceptor.java
index beaff5a..30121a1 100644
--- 
a/apm-sniffer/apm-sdk-plugin/h2-1.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/h2/PooledJdbcConnectionConstructorInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/h2-1.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/h2/PooledJdbcConnectionConstructorInterceptor.java
@@ -21,12 +21,8 @@ package org.apache.skywalking.apm.plugin.jdbc.h2;
 
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceConstructorInterceptor;
-import org.apache.skywalking.apm.plugin.jdbc.trace.ConnectionInfo;
 
 /**
- * {@link PooledJdbcConnectionConstructorInterceptor } store {@link 
ConnectionInfo}
- * when the client new instance of {@link 
org.h2.jdbcx.JdbcXAConnection$PooledJdbcConnection}.
- *
  * @author zhangxin
  */
 public class PooledJdbcConnectionConstructorInterceptor implements 
InstanceConstructorInterceptor {
diff --git 
a/apm-sniffer/apm-sdk-plugin/h2-1.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/h2/define/AbstractConnectionInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/h2-1.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/h2/define/AbstractConnectionInstrumentation.java
index 5a904f9..804fd78 100644
--- 
a/apm-sniffer/apm-sdk-plugin/h2-1.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/h2/define/AbstractConnectionInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/h2-1.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/h2/define/AbstractConnectionInstrumentation.java
@@ -31,7 +31,7 @@ import static 
net.bytebuddy.matcher.ElementMatchers.takesArguments;
 
 /**
  * {@link AbstractConnectionInstrumentation} define how to enhance the 
following methods that the class which extend
- * {@link java.sql.Connection}. <br/>
+ * {@link java.sql.Connection}. 
  *
  * 1. Enhance <code>prepareStatement</code> by 
<code>org.apache.skywalking.apm.plugin.jdbc.define.JDBCPrepareStatementInterceptor</code>
  * 3. Enhance <code>prepareCall</code> by 
<code>org.apache.skywalking.apm.plugin.jdbc.define.JDBCPrepareCallInterceptor</code>
diff --git 
a/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/AbstractHttpClientInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/AbstractHttpClientInstrumentation.java
index c664c21..26c84c3 100644
--- 
a/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/AbstractHttpClientInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/AbstractHttpClientInstrumentation.java
@@ -21,9 +21,6 @@ package org.apache.skywalking.apm.plugin.httpClient.v4.define;
 
 import net.bytebuddy.description.method.MethodDescription;
 import net.bytebuddy.matcher.ElementMatcher;
-import org.apache.http.HttpHost;
-import org.apache.http.HttpRequest;
-import org.apache.http.protocol.HttpContext;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsInterceptPoint;
 import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
 
@@ -32,7 +29,7 @@ import static 
org.apache.skywalking.apm.agent.core.plugin.match.NameMatch.byName
 
 /**
  * {@link AbstractHttpClientInstrumentation} presents that skywalking 
intercepts
- * {@link org.apache.http.impl.client.AbstractHttpClient#doExecute(HttpHost, 
HttpRequest, HttpContext)}
+ * AbstractHttpClient#doExecute
  * by using {@link HttpClientInstrumentation#INTERCEPT_CLASS}.
  *
  * @author zhangxin
@@ -47,9 +44,8 @@ public class AbstractHttpClientInstrumentation extends 
HttpClientInstrumentation
     }
 
     /**
-     * version 4.2, intercept method: execute, intercept<br/>
-     * public final HttpResponse execute(HttpHost target, HttpRequest request,
-     * HttpContext context)<br/>
+     * version 4.2, intercept method: execute, intercept
+     * public final HttpResponse execute(HttpHost target, HttpRequest request, 
HttpContext context)
      */
     @Override
     protected InstanceMethodsInterceptPoint[] 
getInstanceMethodsInterceptPoints() {
diff --git 
a/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/DefaultRequestDirectorInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/DefaultRequestDirectorInstrumentation.java
index 959c0f9..ce80550 100644
--- 
a/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/DefaultRequestDirectorInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/DefaultRequestDirectorInstrumentation.java
@@ -16,14 +16,13 @@
  *
  */
 
-
 package org.apache.skywalking.apm.plugin.httpClient.v4.define;
 
 import net.bytebuddy.description.method.MethodDescription;
 import net.bytebuddy.matcher.ElementMatcher;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsInterceptPoint;
-import org.apache.skywalking.apm.agent.core.plugin.match.NameMatch;
 import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
+import org.apache.skywalking.apm.agent.core.plugin.match.NameMatch;
 
 import static net.bytebuddy.matcher.ElementMatchers.named;
 
@@ -35,8 +34,8 @@ public class DefaultRequestDirectorInstrumentation extends 
HttpClientInstrumenta
     private static final String ENHANCE_CLASS = 
"org.apache.http.impl.client.DefaultRequestDirector";
 
     /**
-     * DefaultRequestDirector is default implement.<br/>
-     * usually use in version 4.0-4.2<br/>
+     * DefaultRequestDirector is default implement.
+     * usually use in version 4.0-4.2
      * since 4.3, this class is Deprecated.
      */
     @Override
diff --git 
a/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/InternalHttpClientInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/InternalHttpClientInstrumentation.java
index a83789c..31340bf 100644
--- 
a/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/InternalHttpClientInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/InternalHttpClientInstrumentation.java
@@ -28,9 +28,9 @@ import 
org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
 import static net.bytebuddy.matcher.ElementMatchers.named;
 
 /**
- * {@link AbstractHttpClientInstrumentation} presents that skywalking 
intercepts {@link
- * 
org.apache.http.impl.client.InternalHttpClient#doExecute(org.apache.http.HttpHost,
 org.apache.http.HttpRequest,
- * org.apache.http.protocol.HttpContext)} by using {@link 
HttpClientInstrumentation#INTERCEPT_CLASS}.
+ * {@link AbstractHttpClientInstrumentation} presents that skywalking 
intercepts
+ * InternalHttpClient#doExecute
+ * by using {@link HttpClientInstrumentation#INTERCEPT_CLASS}.
  *
  * @author zhangxin
  */
diff --git 
a/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/MinimalHttpClientInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/MinimalHttpClientInstrumentation.java
index bd731ad..d740888 100644
--- 
a/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/MinimalHttpClientInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/httpClient-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/httpClient/v4/define/MinimalHttpClientInstrumentation.java
@@ -21,9 +21,6 @@ package org.apache.skywalking.apm.plugin.httpClient.v4.define;
 
 import net.bytebuddy.description.method.MethodDescription;
 import net.bytebuddy.matcher.ElementMatcher;
-import org.apache.http.HttpHost;
-import org.apache.http.HttpRequest;
-import org.apache.http.protocol.HttpContext;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsInterceptPoint;
 import org.apache.skywalking.apm.agent.core.plugin.match.NameMatch;
 import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
@@ -32,7 +29,7 @@ import static net.bytebuddy.matcher.ElementMatchers.named;
 
 /**
  * {@link AbstractHttpClientInstrumentation} presents that skywalking
- * intercepts {@link 
org.apache.http.impl.client.MinimalHttpClient#doExecute(HttpHost, HttpRequest, 
HttpContext)}
+ * intercepts MinimalHttpClient#doExecute
  * by using {@link HttpClientInstrumentation#INTERCEPT_CLASS}.
  *
  * @author zhangxin
diff --git 
a/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/H2URLParser.java
 
b/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/H2URLParser.java
index 08c4b63..6c7d480 100644
--- 
a/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/H2URLParser.java
+++ 
b/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/H2URLParser.java
@@ -24,16 +24,10 @@ import 
org.apache.skywalking.apm.plugin.jdbc.trace.ConnectionInfo;
 
 /**
  * {@link H2URLParser} presents that skywalking how to parse the connection 
url of H2 database.
- * {@link ConnectionInfo#host} will return localhost and  {@link 
ConnectionInfo#port} will return
- * -1 if H2 running with memory mode or file mode, or it will return the host 
and the port.
- * <p>
+ *
  * {@link H2URLParser} check the connection url if contains "file" or "mem". 
if yes. the database
  * name substring the connection url from the index after "file" index or the 
"mem" index to the
  * index of first charset ";".
- * <p>
- * The {@link ConnectionInfo#host} be set the string between charset "//" and 
the first charset "/" after
- * the charset "//", and {@link ConnectionInfo#databaseName} be set the string 
between the last index of "/" and
- * the first charset ";".
  *
  * @author zhangxin
  */
diff --git 
a/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/MysqlURLParser.java
 
b/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/MysqlURLParser.java
index c45750f..5a81d07 100644
--- 
a/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/MysqlURLParser.java
+++ 
b/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/MysqlURLParser.java
@@ -24,11 +24,6 @@ import 
org.apache.skywalking.apm.plugin.jdbc.trace.ConnectionInfo;
 
 /**
  * {@link MysqlURLParser} parse connection url of mysql.
- * <p>
- * The {@link ConnectionInfo#host} be set the string between charset "//" and 
the first
- * charset "/" after the charset "//", and {@link ConnectionInfo#databaseName} 
be set the
- * string between the last index of "/" and the first charset "?". but one 
more thing, the
- * {@link ConnectionInfo#hosts} be set if the host container multiple host.
  *
  * @author zhangxin
  */
diff --git 
a/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/OracleURLParser.java
 
b/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/OracleURLParser.java
index 2f5b24a..d3cf336 100644
--- 
a/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/OracleURLParser.java
+++ 
b/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/OracleURLParser.java
@@ -27,13 +27,9 @@ import org.apache.skywalking.apm.util.StringUtil;
 
 /**
  * {@link OracleURLParser} presents that how to parse oracle connection url.
- * <p>
- * The {@link ConnectionInfo#host} be set the string between charset "@" and 
the last
- * charset ":" after the charset "@", and {@link ConnectionInfo#databaseName} 
be set the
- * string that after the last index of ":".
- * <p>
+ *
  * Note: {@link OracleURLParser} can parse the commons connection url. the 
commons
- * connection url is of the form: 
<code>jdbc:oracle:<drivertype>:@<database></code>,the other
+ * connection url is of the form: 
<code>jdbc:oracle:(drivertype):@(database)</code>,the other
  * the form of connection url cannot be parsed success.
  *
  * @author zhangxin
diff --git 
a/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/PostgreSQLURLParser.java
 
b/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/PostgreSQLURLParser.java
index c099ffa..5c6a186 100644
--- 
a/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/PostgreSQLURLParser.java
+++ 
b/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/connectionurl/parser/PostgreSQLURLParser.java
@@ -24,11 +24,6 @@ import 
org.apache.skywalking.apm.plugin.jdbc.trace.ConnectionInfo;
 
 /**
  * {@link PostgreSQLURLParser} parse connection url of mysql.
- * <p>
- * The {@link ConnectionInfo#host} be set the string between charset "//" and 
the first
- * charset "/" after the charset "//", and {@link ConnectionInfo#databaseName} 
be set the
- * string between the last index of "/" and the first charset "?". but one 
more thing, the
- * {@link ConnectionInfo#hosts} be set if the host container multiple host.
  *
  * @author zhangxin
  */
diff --git 
a/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/trace/ConnectionInfo.java
 
b/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/trace/ConnectionInfo.java
index a925197..cd73522 100644
--- 
a/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/trace/ConnectionInfo.java
+++ 
b/apm-sniffer/apm-sdk-plugin/jdbc-commons/src/main/java/org/apache/skywalking/apm/plugin/jdbc/trace/ConnectionInfo.java
@@ -23,7 +23,7 @@ import 
org.apache.skywalking.apm.network.trace.component.OfficialComponent;
 
 /**
  * {@link ConnectionInfo} stored the jdbc connection info, the connection info 
contains db type, host, port, database
- * name. The {@link #hosts} be null if {@link #host} is not null.
+ * name.
  *
  * @author zhangxin
  */
diff --git 
a/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/MongoDBCollectionMethodInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/MongoDBCollectionMethodInterceptor.java
index 4b8a440..c87187c 100644
--- 
a/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/MongoDBCollectionMethodInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/MongoDBCollectionMethodInterceptor.java
@@ -38,8 +38,8 @@ import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInt
 import org.apache.skywalking.apm.network.trace.component.ComponentsDefine;
 
 /**
- * {@link MongoDBCollectionMethodInterceptor} intercepts  constructor of 
{@link com.mongodb.DBCollection}or {@link
- * com.mongodb.DBCollectionImpl} recording the ServerAddress and creating the 
exit span.
+ * {@link MongoDBCollectionMethodInterceptor} intercepts  constructor of 
{@link com.mongodb.DBCollection} or
+ * {@link com.mongodb.DBCollectionImpl} recording the ServerAddress and 
creating the exit span.
  *
  * @author liyuntao
  */
diff --git 
a/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/define/InterceptPoint.java
 
b/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/define/InterceptPoint.java
index dda1780..c6492fb 100644
--- 
a/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/define/InterceptPoint.java
+++ 
b/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/define/InterceptPoint.java
@@ -22,7 +22,7 @@ package org.apache.skywalking.apm.plugin.mongodb.v2.define;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsInterceptPoint;
 
 /**
- * @auther liyuntao
+ * @author liyuntao
  */
 public abstract class InterceptPoint implements InstanceMethodsInterceptPoint {
     private static final String MONGDB_METHOD_INTERCET_CLASS = 
"MongoDBCollectionMethodInterceptor";
diff --git 
a/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/define/MongoDBCollectionImplInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/define/MongoDBCollectionImplInstrumentation.java
index e61cee0..3326973 100644
--- 
a/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/define/MongoDBCollectionImplInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/define/MongoDBCollectionImplInstrumentation.java
@@ -33,14 +33,14 @@ import static 
net.bytebuddy.matcher.ElementMatchers.takesArguments;
 
 /**
  * {@link MongoDBCollectionImplInstrumentation} define that the MongoDB Java 
Driver 2.13.x-2.14.x plugin intercepts the
- * following methods in the {@link com.mongodb.DBCollectionImpl}class:
- * 1. find <br/>
- * 2. insert <br/>
- * 3. insertImpl <br/>
- * 4. update <br/>
- * 5. updateImpl <br/>
- * 6. remove <br/>
- * 7. createIndex <br/>
+ * following methods in the com.mongodb.DBCollectionImpl class:
+ * 1. find 
+ * 2. insert 
+ * 3. insertImpl 
+ * 4. update 
+ * 5. updateImpl 
+ * 6. remove 
+ * 7. createIndex 
  *
  * @author liyuntao
  */
diff --git 
a/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/define/MongoDBCollectionInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/define/MongoDBCollectionInstrumentation.java
index 253c275..332bd8f 100644
--- 
a/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/define/MongoDBCollectionInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/mongodb-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v2/define/MongoDBCollectionInstrumentation.java
@@ -16,14 +16,13 @@
  *
  */
 
-
 package org.apache.skywalking.apm.plugin.mongodb.v2.define;
 
 import net.bytebuddy.description.method.MethodDescription;
 import net.bytebuddy.matcher.ElementMatcher;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsInterceptPoint;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ClassInstanceMethodsEnhancePluginDefine;
-import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
 import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
 
 import static net.bytebuddy.matcher.ElementMatchers.any;
@@ -35,16 +34,16 @@ import static 
org.apache.skywalking.apm.agent.core.plugin.match.NameMatch.byName
 /**
  * {@link MongoDBCollectionInstrumentation} define that the MongoDB Java 
Driver 2.13.x-2.14.x plugin intercepts the
  * following methods in the {@link com.mongodb.DBCollection}class:
- * 1. aggregate <br/>
- * 2. findAndModify <br/>
+ * 1. aggregate
+ * 2. findAndModify
  * 3. getCount
- * <br/>
- * 4. drop <br/>
- * 5. dropIndexes <br/>
- * 6. rename <br/>
- * 7. group <br/>
- * 8. distinct <br/>
- * 9. mapReduce <br/>
+ *
+ * 4. drop
+ * 5. dropIndexes
+ * 6. rename
+ * 7. group
+ * 8. distinct
+ * 9. mapReduce
  *
  * @author liyuntao
  */
diff --git 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/CreateCallableStatementInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/CreateCallableStatementInterceptor.java
index 2d9062d..16383b2 100644
--- 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/CreateCallableStatementInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/CreateCallableStatementInterceptor.java
@@ -27,9 +27,6 @@ import 
org.apache.skywalking.apm.plugin.jdbc.define.StatementEnhanceInfos;
 import org.apache.skywalking.apm.plugin.jdbc.trace.ConnectionInfo;
 
 /**
- * {@link CreateStatementInterceptor} intercepts the {@link 
com.mysql.jdbc.ConnectionImpl#createStatement()} method in
- * the {@link com.mysql.jdbc.ConnectionImpl} class.
- *
  * @author zhangxin
  */
 public class CreateCallableStatementInterceptor implements 
InstanceMethodsAroundInterceptor {
diff --git 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/CreatePreparedStatementInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/CreatePreparedStatementInterceptor.java
index a95d5a8..e3ba58f 100644
--- 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/CreatePreparedStatementInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/CreatePreparedStatementInterceptor.java
@@ -16,20 +16,16 @@
  *
  */
 
-
 package org.apache.skywalking.apm.plugin.jdbc.mysql;
 
 import java.lang.reflect.Method;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
-import org.apache.skywalking.apm.plugin.jdbc.define.StatementEnhanceInfos;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult;
+import org.apache.skywalking.apm.plugin.jdbc.define.StatementEnhanceInfos;
 import org.apache.skywalking.apm.plugin.jdbc.trace.ConnectionInfo;
 
 /**
- * {@link CreateStatementInterceptor} intercepts the {@link 
com.mysql.jdbc.ConnectionImpl#prepareStatement()} method in
- * the {@link com.mysql.jdbc.ConnectionImpl} class.
- *
  * @author zhangxin
  */
 public class CreatePreparedStatementInterceptor implements 
InstanceMethodsAroundInterceptor {
diff --git 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/CreateStatementInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/CreateStatementInterceptor.java
index acf026c..328213d 100644
--- 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/CreateStatementInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/CreateStatementInterceptor.java
@@ -27,9 +27,6 @@ import 
org.apache.skywalking.apm.plugin.jdbc.define.StatementEnhanceInfos;
 import org.apache.skywalking.apm.plugin.jdbc.trace.ConnectionInfo;
 
 /**
- * {@link CreateStatementInterceptor} intercepts the {@link 
com.mysql.jdbc.ConnectionImpl#createStatement()} method in
- * the {@link com.mysql.jdbc.ConnectionImpl} class.
- *
  * @author zhangxin
  */
 public class CreateStatementInterceptor implements 
InstanceMethodsAroundInterceptor {
diff --git 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/CallableInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/CallableInstrumentation.java
index 4afeb7f..707ba66 100644
--- 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/CallableInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/CallableInstrumentation.java
@@ -30,11 +30,11 @@ import static net.bytebuddy.matcher.ElementMatchers.named;
 import static 
org.apache.skywalking.apm.agent.core.plugin.match.MultiClassNameMatch.byMultiClassMatch;
 
 /**
- * {@link CallableInstrumentation} define that the mysql-2.x plugin intercepts 
the following methods in the {@link
- * com.mysql.jdbc.CallableStatement} by {@link 
org.apache.skywalking.apm.plugin.jdbc.mysql.CallableStatementInterceptor}:
- * 1. execute <br/>
- * 2. executeQuery <br/>
- * 3. executeUpdate <br/>
+ * {@link CallableInstrumentation} define that the mysql-2.x plugin intercepts 
the following methods in the 
+ * com.mysql.jdbc.CallableStatement
+ * 1. execute 
+ * 2. executeQuery 
+ * 3. executeUpdate 
  *
  * @author zhangxin
  */
diff --git 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/ConnectionInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/ConnectionInstrumentation.java
index 5a77e62..b9e2a9e 100644
--- 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/ConnectionInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/ConnectionInstrumentation.java
@@ -31,8 +31,8 @@ import static net.bytebuddy.matcher.ElementMatchers.named;
 import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
 
 /**
- * {@link ConnectionInstrumentation} intercepts the following methods that the 
class which extend {@link
- * com.mysql.jdbc.ConnectionImpl}. <br/>
+ * {@link ConnectionInstrumentation} intercepts the following methods that the 
class which extend
+ * com.mysql.jdbc.ConnectionImpl. 
  *
  * 1. Enhance <code>prepareStatement</code> by 
<code>org.apache.skywalking.apm.plugin.jdbc.define.JDBCPrepareStatementInterceptor</code>
  * 2. Enhance <code>prepareCall</code> by 
<code>org.apache.skywalking.apm.plugin.jdbc.define.JDBCPrepareCallInterceptor</code>
diff --git 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/Mysql50ConnectionInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/Mysql50ConnectionInstrumentation.java
index 28a3f7e..97c1b95 100644
--- 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/Mysql50ConnectionInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/Mysql50ConnectionInstrumentation.java
@@ -24,7 +24,7 @@ import 
org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
 import static 
org.apache.skywalking.apm.agent.core.plugin.match.NameMatch.byName;
 
 /**
- * {@link Mysql50ConnectionInstrumentation} interceptor the {@link 
com.mysql.jdbc.Connection} class in the 5.0.x verison
+ * {@link Mysql50ConnectionInstrumentation} interceptor the 
com.mysql.jdbc.Connection class in the 5.0.x verison
  * of mysql driver jar.
  *
  * @author zhangxin
diff --git 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/PreparedStatementInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/PreparedStatementInstrumentation.java
index dc26894..0f7b6b2 100644
--- 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/PreparedStatementInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/PreparedStatementInstrumentation.java
@@ -31,13 +31,13 @@ import static 
org.apache.skywalking.apm.agent.core.plugin.match.MultiClassNameMa
 
 /**
  * {@link PreparedStatementInstrumentation} define that the mysql-2.x plugin 
intercepts the following methods in the
- * {@link com.mysql.jdbc.JDBC42PreparedStatement}, {@link 
com.mysql.jdbc.PreparedStatement} and {@link
- * com.mysql.cj.jdbc.PreparedStatement} class:
- * 1. execute <br/>
- * 2. executeQuery <br/>
- * 3. executeUpdate <br/>
- * 4. executeLargeUpdate <br/>
- * 5. addBatch <br/>
+ * com.mysql.jdbc.JDBC42PreparedStatement, com.mysql.jdbc.PreparedStatement 
and 
+ * com.mysql.cj.jdbc.PreparedStatement class:
+ * 1. execute 
+ * 2. executeQuery 
+ * 3. executeUpdate 
+ * 4. executeLargeUpdate 
+ * 5. addBatch 
  *
  * @author zhangxin
  */
diff --git 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/StatementInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/StatementInstrumentation.java
index a5078ca..903a0c5 100644
--- 
a/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/StatementInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/mysql-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/mysql/define/StatementInstrumentation.java
@@ -30,17 +30,17 @@ import static net.bytebuddy.matcher.ElementMatchers.named;
 import static 
org.apache.skywalking.apm.agent.core.plugin.match.MultiClassNameMatch.byMultiClassMatch;
 
 /**
- * {@link StatementInstrumentation} intercepts the following methods in the 
{@link
- * com.mysql.jdbc.StatementImpl} and {@link 
com.mysql.cj.jdbc.StatementImpl}class.
- * 1. execute <br/>
- * 2. executeQuery <br/>
- * 3. executeUpdate <br/>
- * 4. executeLargeUpdate <br/>
- * 5. addBatch <br/>
- * 6. executeBatchInternal <br/>
- * 7. executeUpdateInternal <br/>
- * 8. executeQuery <br/>
- * 9. executeBatch <br/>
+ * {@link StatementInstrumentation} intercepts the following methods in the
+ * com.mysql.jdbc.StatementImpl and com.mysql.cj.jdbc.StatementImpl class.
+ * 1. execute
+ * 2. executeQuery
+ * 3. executeUpdate
+ * 4. executeLargeUpdate
+ * 5. addBatch
+ * 6. executeBatchInternal
+ * 7. executeUpdateInternal
+ * 8. executeQuery
+ * 9. executeBatch
  *
  * @author zhangxin
  */
diff --git 
a/apm-sniffer/apm-sdk-plugin/okhttp-3.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/okhttp/v3/RealCallInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/okhttp-3.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/okhttp/v3/RealCallInterceptor.java
index d9ec0f8..e00c747 100644
--- 
a/apm-sniffer/apm-sdk-plugin/okhttp-3.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/okhttp/v3/RealCallInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/okhttp-3.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/okhttp/v3/RealCallInterceptor.java
@@ -24,13 +24,12 @@ import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 import okhttp3.Headers;
 import okhttp3.HttpUrl;
-import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.Response;
-import org.apache.skywalking.apm.agent.core.context.ContextCarrier;
-import org.apache.skywalking.apm.agent.core.context.tag.Tags;
 import org.apache.skywalking.apm.agent.core.context.CarrierItem;
+import org.apache.skywalking.apm.agent.core.context.ContextCarrier;
 import org.apache.skywalking.apm.agent.core.context.ContextManager;
+import org.apache.skywalking.apm.agent.core.context.tag.Tags;
 import org.apache.skywalking.apm.agent.core.context.trace.AbstractSpan;
 import org.apache.skywalking.apm.agent.core.context.trace.SpanLayer;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
@@ -46,13 +45,6 @@ import 
org.apache.skywalking.apm.network.trace.component.ComponentsDefine;
  */
 public class RealCallInterceptor implements InstanceMethodsAroundInterceptor, 
InstanceConstructorInterceptor {
 
-    /**
-     * Intercept the {@link okhttp3.RealCall#RealCall(OkHttpClient, Request, 
boolean)}, then put the second argument of
-     * {@link okhttp3.Request} into {@link EnhancedInstance}.
-     *
-     * @param objInst a new added instance field
-     * @param allArguments constructor invocation context.
-     */
     @Override
     public void onConstruct(EnhancedInstance objInst, Object[] allArguments) {
         objInst.setSkyWalkingDynamicField(allArguments[1]);
diff --git 
a/apm-sniffer/apm-sdk-plugin/okhttp-3.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/okhttp/v3/define/RealCallInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/okhttp-3.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/okhttp/v3/define/RealCallInstrumentation.java
index 517b97d..d0cc781 100644
--- 
a/apm-sniffer/apm-sdk-plugin/okhttp-3.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/okhttp/v3/define/RealCallInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/okhttp-3.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/okhttp/v3/define/RealCallInstrumentation.java
@@ -25,16 +25,12 @@ import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsIn
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ClassInstanceMethodsEnhancePluginDefine;
 import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
 import org.apache.skywalking.apm.agent.core.plugin.match.NameMatch;
-import org.apache.skywalking.apm.plugin.okhttp.v3.RealCallInterceptor;
 
 import static net.bytebuddy.matcher.ElementMatchers.any;
 import static net.bytebuddy.matcher.ElementMatchers.named;
 import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
 
 /**
- * {@link RealCallInstrumentation} presents that skywalking intercepts {@link 
okhttp3.RealCall#RealCall(OkHttpClient,
- * Request, boolean)}, {@link okhttp3.RealCall#execute()} by using {@link 
RealCallInterceptor}.
- *
  * @author peng-yongsheng
  */
 public class RealCallInstrumentation extends 
ClassInstanceMethodsEnhancePluginDefine {
diff --git 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/CreateCallableStatementInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/CreateCallableStatementInterceptor.java
index c1fafe0..8c93ce9 100644
--- 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/CreateCallableStatementInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/CreateCallableStatementInterceptor.java
@@ -21,15 +21,12 @@ package org.apache.skywalking.apm.plugin.jdbc.postgresql;
 
 import java.lang.reflect.Method;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
-import org.apache.skywalking.apm.plugin.jdbc.define.StatementEnhanceInfos;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult;
+import org.apache.skywalking.apm.plugin.jdbc.define.StatementEnhanceInfos;
 import org.apache.skywalking.apm.plugin.jdbc.trace.ConnectionInfo;
 
 /**
- * {@link CreateStatementInterceptor} intercepts the {@link 
org.postgresql.jdbc.PgConnection#prepareCall} method in
- * {@link org.postgresql.jdbc.PgConnection}, {@link 
org.postgresql.jdbc.PgConnection} or {@link 
org.postgresql.jdbc3.Jdbc3Connection} class.
- *
  * @author zhangxin
  */
 public class CreateCallableStatementInterceptor implements 
InstanceMethodsAroundInterceptor {
diff --git 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/CreatePreparedStatementInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/CreatePreparedStatementInterceptor.java
index 05c7d7c..ef084ba 100644
--- 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/CreatePreparedStatementInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/CreatePreparedStatementInterceptor.java
@@ -21,15 +21,12 @@ package org.apache.skywalking.apm.plugin.jdbc.postgresql;
 
 import java.lang.reflect.Method;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
-import org.apache.skywalking.apm.plugin.jdbc.define.StatementEnhanceInfos;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult;
+import org.apache.skywalking.apm.plugin.jdbc.define.StatementEnhanceInfos;
 import org.apache.skywalking.apm.plugin.jdbc.trace.ConnectionInfo;
 
 /**
- * {@link CreatePreparedStatementInterceptor} intercepts the {@link 
org.postgresql.jdbc.PgConnection#prepareStatement} method in
- * {@link org.postgresql.jdbc.PgConnection}, {@link 
org.postgresql.jdbc.PgConnection} or {@link 
org.postgresql.jdbc3.Jdbc3Connection} class.
- *
  * @author zhangxin
  */
 public class CreatePreparedStatementInterceptor implements 
InstanceMethodsAroundInterceptor {
diff --git 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/CreateStatementInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/CreateStatementInterceptor.java
index a5bab1d..9ce90e7 100644
--- 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/CreateStatementInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/CreateStatementInterceptor.java
@@ -25,12 +25,8 @@ import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceM
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult;
 import org.apache.skywalking.apm.plugin.jdbc.define.StatementEnhanceInfos;
 import org.apache.skywalking.apm.plugin.jdbc.trace.ConnectionInfo;
-import org.postgresql.jdbc.PgConnection;
 
 /**
- * {@link CreateStatementInterceptor} intercepts the {@link 
PgConnection#createStatement} method in
- * {@link org.postgresql.jdbc.PgConnection}, {@link 
org.postgresql.jdbc.PgConnection} or {@link 
org.postgresql.jdbc3.Jdbc3Connection} class.
- *
  * @author zhangxin
  */
 public class CreateStatementInterceptor implements 
InstanceMethodsAroundInterceptor {
diff --git 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/AbstractJdbc2StatementInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/AbstractJdbc2StatementInstrumentation.java
index 1e4e610..2001fb2 100644
--- 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/AbstractJdbc2StatementInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/AbstractJdbc2StatementInstrumentation.java
@@ -21,9 +21,9 @@ package 
org.apache.skywalking.apm.plugin.jdbc.postgresql.define;
 
 import net.bytebuddy.description.method.MethodDescription;
 import net.bytebuddy.matcher.ElementMatcher;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsInterceptPoint;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ClassInstanceMethodsEnhancePluginDefine;
-import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
 import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
 import 
org.apache.skywalking.apm.plugin.jdbc.postgresql.StatementExecuteMethodsInterceptor;
 
@@ -34,8 +34,8 @@ import static 
org.apache.skywalking.apm.plugin.jdbc.postgresql.Variables.PG_PREP
 import static 
org.apache.skywalking.apm.plugin.jdbc.postgresql.Variables.PG_STATEMENT_EXECUTE_METHOD_INTERCEPTOR;
 
 /**
- * {@link AbstractJdbc2StatementInstrumentation} intercept the following 
methods that the class which extend {@link
- * org.postgresql.jdbc2.AbstractJdbc2Statement} by {@link 
StatementExecuteMethodsInterceptor}. <br/>
+ * {@link AbstractJdbc2StatementInstrumentation} intercept the following 
methods that the class which extend
+ * org.postgresql.jdbc2.AbstractJdbc2Statement by {@link 
StatementExecuteMethodsInterceptor}.
  * 1. the <code>execute</code> with non parameter
  * 2. the <code>execute</code> with one parameter
  * 3. the <code>executeBatch</code>
diff --git 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/ConnectionInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/ConnectionInstrumentation.java
index 64250bc..423ced1 100644
--- 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/ConnectionInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/ConnectionInstrumentation.java
@@ -21,9 +21,9 @@ package 
org.apache.skywalking.apm.plugin.jdbc.postgresql.define;
 
 import net.bytebuddy.description.method.MethodDescription;
 import net.bytebuddy.matcher.ElementMatcher;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsInterceptPoint;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ClassInstanceMethodsEnhancePluginDefine;
-import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
 import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
 
 import static net.bytebuddy.matcher.ElementMatchers.named;
@@ -32,8 +32,8 @@ import static 
org.apache.skywalking.apm.agent.core.plugin.bytebuddy.ArgumentType
 import static 
org.apache.skywalking.apm.agent.core.plugin.match.MultiClassNameMatch.byMultiClassMatch;
 
 /**
- * {@link ConnectionInstrumentation} intercept the following methods that the 
class which extend {@link
- * org.postgresql.jdbc.PgConnection}. <br/>
+ * {@link ConnectionInstrumentation} intercept the following methods that the 
class which extend
+ * {@link org.postgresql.jdbc.PgConnection}.
  *
  * 1. Enhance <code>prepareStatement</code> by 
<code>org.apache.skywalking.apm.plugin.jdbc.define.JDBCPrepareStatementInterceptor</code>
  * 2. Enhance <code>prepareStatement</code> that the seconds argument type is 
<code>java.lang.String[]</code> by
diff --git 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/Jdbc3ConnectionInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/Jdbc3ConnectionInstrumentation.java
index e43bd95..b48139f 100644
--- 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/Jdbc3ConnectionInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/Jdbc3ConnectionInstrumentation.java
@@ -21,18 +21,18 @@ package 
org.apache.skywalking.apm.plugin.jdbc.postgresql.define;
 
 import net.bytebuddy.description.method.MethodDescription;
 import net.bytebuddy.matcher.ElementMatcher;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsInterceptPoint;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ClassInstanceMethodsEnhancePluginDefine;
-import org.apache.skywalking.apm.agent.core.plugin.match.NameMatch;
-import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
 import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
+import org.apache.skywalking.apm.agent.core.plugin.match.NameMatch;
 
 import static net.bytebuddy.matcher.ElementMatchers.named;
 import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
 
 /**
- * {@link Jdbc3ConnectionInstrumentation} intercept the following methods that 
the class which extend {@link
- * org.postgresql.jdbc3.Jdbc3Connection}. <br/>
+ * {@link Jdbc3ConnectionInstrumentation} intercept the following methods that 
the class which extend
+ * org.postgresql.jdbc3.Jdbc3Connection
  *
  * 1. Enhance <code>prepareStatement</code> by 
<code>org.apache.skywalking.apm.plugin.jdbc.define.JDBCPrepareStatementInterceptor</code>
  * 2. Enhance <code>prepareCall</code> by
diff --git 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/Jdbc4ConnectionInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/Jdbc4ConnectionInstrumentation.java
index 89af730..ba30435 100644
--- 
a/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/Jdbc4ConnectionInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/postgresql-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdbc/postgresql/define/Jdbc4ConnectionInstrumentation.java
@@ -21,9 +21,9 @@ package 
org.apache.skywalking.apm.plugin.jdbc.postgresql.define;
 
 import net.bytebuddy.description.method.MethodDescription;
 import net.bytebuddy.matcher.ElementMatcher;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsInterceptPoint;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ClassInstanceMethodsEnhancePluginDefine;
-import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
 import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
 
 import static net.bytebuddy.matcher.ElementMatchers.named;
@@ -31,8 +31,8 @@ import static 
net.bytebuddy.matcher.ElementMatchers.takesArguments;
 import static 
org.apache.skywalking.apm.agent.core.plugin.match.NameMatch.byName;
 
 /**
- * {@link Jdbc4ConnectionInstrumentation} intercept the following methods that 
the class which extend {@link
- * org.postgresql.jdbc4.Jdbc4Connection}. <br/>
+ * {@link Jdbc4ConnectionInstrumentation} intercept the following methods that 
the class which extend
+ * org.postgresql.jdbc4.Jdbc4Connection.
  *
  * 1. Enhance <code>prepareStatement</code> by 
<code>org.apache.skywalking.apm.plugin.jdbc.define.JDBCPrepareStatementInterceptor</code>
  * 2. Enhance <code>prepareCall</code> by
diff --git 
a/apm-sniffer/apm-sdk-plugin/sharding-jdbc-1.5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/sjdbc/define/ExecutorEngineConstructorInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/sharding-jdbc-1.5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/sjdbc/define/ExecutorEngineConstructorInterceptor.java
index a4ce110..9917467 100644
--- 
a/apm-sniffer/apm-sdk-plugin/sharding-jdbc-1.5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/sjdbc/define/ExecutorEngineConstructorInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/sharding-jdbc-1.5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/sjdbc/define/ExecutorEngineConstructorInterceptor.java
@@ -19,13 +19,13 @@
 
 package org.apache.skywalking.apm.plugin.sjdbc.define;
 
-import com.dangdang.ddframe.rdb.sharding.executor.ExecutorEngine;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceConstructorInterceptor;
 import org.apache.skywalking.apm.plugin.sjdbc.ExecuteEventListener;
 
 /**
- * {@link ExecutorEngineConstructorInterceptor} enhances {@link 
ExecutorEngine#}'s constructor, initializing {@link ExecuteEventListener}
+ * {@link ExecutorEngineConstructorInterceptor} enhances {@link 
com.dangdang.ddframe.rdb.sharding.executor.ExecutorEngine}'s constructor,
+ * initializing {@link ExecuteEventListener}
  * 
  * @author gaohongtao
  */
diff --git 
a/apm-sniffer/apm-sdk-plugin/spring-plugins/core-patch/src/main/java/org/apache/skywalking/apm/plugin/spring/patch/CreateAopProxyInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/spring-plugins/core-patch/src/main/java/org/apache/skywalking/apm/plugin/spring/patch/CreateAopProxyInterceptor.java
index 96afb6a..2186bc1 100644
--- 
a/apm-sniffer/apm-sdk-plugin/spring-plugins/core-patch/src/main/java/org/apache/skywalking/apm/plugin/spring/patch/CreateAopProxyInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/spring-plugins/core-patch/src/main/java/org/apache/skywalking/apm/plugin/spring/patch/CreateAopProxyInterceptor.java
@@ -26,7 +26,7 @@ import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInt
 import org.springframework.aop.framework.AdvisedSupport;
 
 /**
- * <code>CreateAopProxyInterceptor</code> check that the bean has been 
implement {@link EnhancedInstance}. <p/>
+ * <code>CreateAopProxyInterceptor</code> check that the bean has been 
implement {@link EnhancedInstance}.
  * if yes, true will be returned.
  *
  * @author zhang xin
diff --git 
a/apm-sniffer/apm-sdk-plugin/tomcat-7.x-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/tomcat78x/define/TomcatInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/tomcat-7.x-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/tomcat78x/define/TomcatInstrumentation.java
index aa5ef09..23d1273 100644
--- 
a/apm-sniffer/apm-sdk-plugin/tomcat-7.x-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/tomcat78x/define/TomcatInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/tomcat-7.x-8.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/tomcat78x/define/TomcatInstrumentation.java
@@ -30,11 +30,6 @@ import static net.bytebuddy.matcher.ElementMatchers.named;
 import static 
org.apache.skywalking.apm.agent.core.plugin.match.NameMatch.byName;
 
 /**
- * {@link TomcatInstrumentation} presents that skywalking using class {@link 
org.apache.skywalking.apm.plugin.tomcat78x.TomcatInvokeInterceptor} to intercept
- * {@link org.apache.catalina.core.StandardWrapperValve#invoke} and using 
class {@link
- * org.apache.skywalking.apm.plugin.tomcat78x.TomcatExceptionInterceptor} to 
intercept {@link
- * org.apache.catalina.core.StandardWrapperValve#exception}.
- *
  * @author zhangxin
  */
 public class TomcatInstrumentation extends 
ClassInstanceMethodsEnhancePluginDefine {
diff --git 
a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithComplexArgInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithComplexArgInterceptor.java
index c6794af..ec430a0 100644
--- 
a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithComplexArgInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithComplexArgInterceptor.java
@@ -27,17 +27,6 @@ import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedI
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceConstructorInterceptor;
 
 /**
- * {@link XMemcachedConstructorWithComplexArgInterceptor} intercept 
constructor of 
- * {@link XMemcachedClient(MemcachedSessionLocator locator,BufferAllocator 
allocator, Configuration conf,
- * Map<SocketOption, Object> socketOptions, CommandFactory commandFactory, 
Transcoder transcoder,
- * Map<InetSocketAddress, InetSocketAddress> addressMap, 
List<MemcachedClientStateListener> stateListeners,
- * Map<InetSocketAddress, AuthInfo> map, int poolSize, long connectTimeout, 
String name, boolean failureMode)} or
- * {@link XMemcachedClient(MemcachedSessionLocator locator, BufferAllocator 
allocator, Configuration conf,
- * Map<SocketOption, Object> socketOptions, CommandFactory commandFactory, 
Transcoder transcoder,
- * Map<InetSocketAddress, InetSocketAddress> addressMap, int[] weights, 
List<MemcachedClientStateListener> stateListeners,
- * Map<InetSocketAddress, AuthInfo> infoMap, int poolSize, long 
connectTimeout, final String name, boolean failureMode)}.
- * For parameter addressMap, every k-v is a master standby mode.
- * 
  * @author IluckySi
  */
 public class XMemcachedConstructorWithComplexArgInterceptor implements 
InstanceConstructorInterceptor {
diff --git 
a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithHostPortArgInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithHostPortArgInterceptor.java
index b6e4f04..b114651 100644
--- 
a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithHostPortArgInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithHostPortArgInterceptor.java
@@ -23,10 +23,6 @@ import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedI
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceConstructorInterceptor;
 
 /**
- * {@link XMemcachedConstructorWithHostPortArgInterceptor} intercept 
constructor of 
- * {@link XMemcachedClient(final String host, final int port)} or
- * {@link XMemcachedClient(final String host, final int port, int weight)}.
- * 
  * @author IluckySi
  */
 public class XMemcachedConstructorWithHostPortArgInterceptor implements 
InstanceConstructorInterceptor {
diff --git 
a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithInetSocketAddressArgInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithInetSocketAddressArgInterceptor.java
index 326f7f9..b996227 100644
--- 
a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithInetSocketAddressArgInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithInetSocketAddressArgInterceptor.java
@@ -25,10 +25,6 @@ import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedI
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceConstructorInterceptor;
 
 /**
- * {@link XMemcachedConstructorWithInetSocketAddressArgInterceptor} intercept 
constructor of 
- * {@link XMemcachedClient(final InetSocketAddress inetSocketAddress)} or 
- * {@link XMemcachedClient(final InetSocketAddress inetSocketAddress, int 
weight)}.
- * 
  * @author IluckySi
  */
 public class XMemcachedConstructorWithInetSocketAddressArgInterceptor 
implements InstanceConstructorInterceptor {
diff --git 
a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithInetSocketAddressListArgInterceptor.java
 
b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithInetSocketAddressListArgInterceptor.java
index 321c407..b7496e3 100644
--- 
a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithInetSocketAddressListArgInterceptor.java
+++ 
b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/XMemcachedConstructorWithInetSocketAddressListArgInterceptor.java
@@ -26,9 +26,6 @@ import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedI
 import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceConstructorInterceptor;
 
 /**
- * {@link XMemcachedConstructorWithInetSocketAddressListArgInterceptor} 
intercept constructor of 
- * {@link XMemcachedClient(List<InetSocketAddress> addressList).
- * 
  * @author IluckySi
  */
 public class XMemcachedConstructorWithInetSocketAddressListArgInterceptor 
implements InstanceConstructorInterceptor {
diff --git 
a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/define/XMemcachedInstrumentation.java
 
b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/define/XMemcachedInstrumentation.java
index 9926169..30f9d0c 100644
--- 
a/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/define/XMemcachedInstrumentation.java
+++ 
b/apm-sniffer/apm-sdk-plugin/xmemcached-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xmemcached/v2/define/XMemcachedInstrumentation.java
@@ -36,15 +36,8 @@ import static 
net.bytebuddy.matcher.ElementMatchers.takesArgument;
 import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
 
 /**
- * {@link MemcachedInstrumentation} presents that skywalking intercept all 
constructors and methods of
+ * {@link XMemcachedInstrumentation} presents that skywalking intercept all 
constructors and methods of
  * {@link net.rubyeye.xmemcached.XMemcachedClient}.
- * {@link XMemcachedConstructorWithHostPortArgInterceptor} intercepts the 
constructor with
- * ip and port arguments.
- * {@link XMemcachedConstructorWithInetSocketAddressArgInterceptor} intercepts 
the constructor with
- * argument {@link java.net.InetSocketAddress}.
- * {@link XMemcachedConstructorWithInetSocketAddressListArgInterceptor} 
intercepts the constructor with
- * argument {@link java.net.InetSocketAddress}.
- * {@link XMemcachedConstructorWithComplexArgInterceptor} intercepts the 
constructor with complex arguments.
  *
  * @author IluckySi
  */

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