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liubao pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
     new 906cfdf  update BMI sample to fill latest docs (#130)
906cfdf is described below

commit 906cfdff822e62ff80eacc61375b0f27ea0708df
Author: liubao68 <[email protected]>
AuthorDate: Mon Nov 20 17:11:41 2023 +0800

    update BMI sample to fill latest docs (#130)
---
 bmi/calculator/pom.xml                             |  60 +++++-------
 .../servicecomb/samples/CalculatorApplication.java |  10 +-
 .../servicecomb/samples/CalculatorServiceImpl.java |  12 ++-
 bmi/calculator/src/main/resources/application.yml  |  17 +++-
 bmi/calculator/src/main/resources/log4j2.xml       |  71 ++++++++++++++
 bmi/pom.xml                                        |  81 ++++++----------
 bmi/webapp/pom.xml                                 |  54 +++++------
 bmi/webapp/src/main/resources/application.yml      |  63 ++++++++++++-
 bmi/webapp/src/main/resources/log4j2.xml           |  71 ++++++++++++++
 bmi/webapp/src/main/resources/static/index.html    |   9 +-
 java-chassis-samples/bmi/README.md                 |  53 -----------
 java-chassis-samples/bmi/build.gradle              |  60 ------------
 java-chassis-samples/bmi/calculator/build.gradle   |  52 -----------
 java-chassis-samples/bmi/calculator/pom.xml        |  61 ------------
 .../servicecomb/samples/bmi/BMIViewObject.java     |  60 ------------
 .../samples/bmi/CalculatorApplication.java         |  31 ------
 .../samples/bmi/CalculatorEndpoint.java            |  29 ------
 .../samples/bmi/CalculatorRestEndpoint.java        |  53 -----------
 .../servicecomb/samples/bmi/CalculatorService.java |  29 ------
 .../samples/bmi/CalculatorServiceImpl.java         |  44 ---------
 .../samples/bmi/InstanceInfoService.java           |  26 ------
 .../samples/bmi/InstanceInfoServiceImpl.java       |  40 --------
 .../calculator/src/main/resources/application.yml  |  35 -------
 java-chassis-samples/bmi/pom.xml                   |  52 -----------
 java-chassis-samples/bmi/settings.gradle           |  23 -----
 java-chassis-samples/bmi/webapp/build.gradle       |  50 ----------
 java-chassis-samples/bmi/webapp/pom.xml            |  50 ----------
 .../samples/bmi/GatewayApplication.java            |  31 ------
 .../samples/bmi/StaticWebpageDispatcher.java       |  51 ----------
 ...cecomb.transport.rest.vertx.VertxHttpDispatcher |  18 ----
 .../bmi/webapp/src/main/resources/application.yml  |  51 ----------
 .../webapp/src/main/resources/static/index.html    | 104 ---------------------
 .../src/main/resources/static/jquery-1.11.1.min.js |   4 -
 java-chassis-samples/pom.xml                       |   1 -
 34 files changed, 313 insertions(+), 1143 deletions(-)

diff --git a/bmi/calculator/pom.xml b/bmi/calculator/pom.xml
index f6bced8..6326efa 100644
--- a/bmi/calculator/pom.xml
+++ b/bmi/calculator/pom.xml
@@ -17,42 +17,28 @@
   -->
 
 <project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
-    <parent>
-        <artifactId>bmi</artifactId>
-        <groupId>org.apache.servicecomb.samples</groupId>
-        <version>3.0.0-SNAPSHOT</version>
-    </parent>
-    <modelVersion>4.0.0</modelVersion>
-
-    <artifactId>bmi-calculator</artifactId>
-    <name>Java Chassis::Samples::BMI::Calculator</name>
-
-    <dependencies>
-
-        <dependency>
-            <groupId>org.apache.servicecomb</groupId>
-            <artifactId>java-chassis-spring-boot-starter-servlet</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.servicecomb</groupId>
-            <artifactId>handler-flowcontrol-qps</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.servicecomb</groupId>
-            <artifactId>handler-tracing-zipkin</artifactId>
-        </dependency>
-    </dependencies>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+  <parent>
+    <artifactId>bmi</artifactId>
+    <groupId>org.apache.servicecomb.samples</groupId>
+    <version>3.0.0-SNAPSHOT</version>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
+
+  <artifactId>bmi-calculator</artifactId>
+  <name>Java Chassis::Samples::BMI::Calculator</name>
+
+  <properties>
+    
<start-class>org.apache.servicecomb.samples.CalculatorApplication</start-class>
+  </properties>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-maven-plugin</artifactId>
+      </plugin>
+    </plugins>
+  </build>
 
 </project>
diff --git 
a/bmi/calculator/src/main/java/org/apache/servicecomb/samples/CalculatorApplication.java
 
b/bmi/calculator/src/main/java/org/apache/servicecomb/samples/CalculatorApplication.java
index 388d4f2..4ccf47d 100644
--- 
a/bmi/calculator/src/main/java/org/apache/servicecomb/samples/CalculatorApplication.java
+++ 
b/bmi/calculator/src/main/java/org/apache/servicecomb/samples/CalculatorApplication.java
@@ -17,13 +17,17 @@
 
 package org.apache.servicecomb.samples;
 
-import org.springframework.boot.SpringApplication;
+import org.springframework.boot.WebApplicationType;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.builder.SpringApplicationBuilder;
 
 @SpringBootApplication
 public class CalculatorApplication {
-
   public static void main(String[] args) {
-    SpringApplication.run(CalculatorApplication.class, args);
+    try {
+      new 
SpringApplicationBuilder().web(WebApplicationType.NONE).sources(CalculatorApplication.class).run(args);
+    } catch (Exception e) {
+      e.printStackTrace();
+    }
   }
 }
diff --git 
a/bmi/calculator/src/main/java/org/apache/servicecomb/samples/CalculatorServiceImpl.java
 
b/bmi/calculator/src/main/java/org/apache/servicecomb/samples/CalculatorServiceImpl.java
index d0b865b..0df11cf 100644
--- 
a/bmi/calculator/src/main/java/org/apache/servicecomb/samples/CalculatorServiceImpl.java
+++ 
b/bmi/calculator/src/main/java/org/apache/servicecomb/samples/CalculatorServiceImpl.java
@@ -17,19 +17,27 @@
 
 package org.apache.servicecomb.samples;
 
-import org.springframework.stereotype.Service;
-
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 
+import org.apache.servicecomb.swagger.invocation.exception.CommonExceptionData;
+import org.apache.servicecomb.swagger.invocation.exception.InvocationException;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
 @Service
 public class CalculatorServiceImpl implements CalculatorService {
+  @Value("${bmi.mock.error:false}")
+  private boolean mockError = false;
 
   /**
    * {@inheritDoc}
    */
   @Override
   public double calculate(double height, double weight) {
+    if (mockError) {
+      throw new InvocationException(503, "mock error.", new 
CommonExceptionData("mock error."));
+    }
     if (height <= 0 || weight <= 0) {
       throw new IllegalArgumentException("Arguments must be above 0");
     }
diff --git a/bmi/calculator/src/main/resources/application.yml 
b/bmi/calculator/src/main/resources/application.yml
index 879c927..dca58c1 100644
--- a/bmi/calculator/src/main/resources/application.yml
+++ b/bmi/calculator/src/main/resources/application.yml
@@ -16,9 +16,6 @@
 ## limitations under the License.
 ## ---------------------------------------------------------------------------
 
-server:
-  port: 7777
-
 servicecomb:
   registry:
     sc:
@@ -29,4 +26,16 @@ servicecomb:
     version: 0.0.1
 
   rest:
-    address: 0.0.0.0:7777
\ No newline at end of file
+    address: 0.0.0.0:7777
+
+  matchGroup:
+    bmi-operation: |
+      matches:
+        - apiPath:
+            exact: "/bmi"
+#  rateLimiting:
+#    bmi-operation: |
+#      timeoutDuration: 0
+#      limitRefreshPeriod: 1000
+#      rate: 1
+
diff --git a/bmi/calculator/src/main/resources/log4j2.xml 
b/bmi/calculator/src/main/resources/log4j2.xml
new file mode 100644
index 0000000..6cc0d98
--- /dev/null
+++ b/bmi/calculator/src/main/resources/log4j2.xml
@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+      http://www.apache.org/licenses/LICENSE-2.0
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+-->
+<Configuration>
+    <Properties>
+        <property name="FILE_PATH" value="./logs/calculator"/>
+    </Properties>
+
+    <Appenders>
+        <Console name="Console" target="SYSTEM_OUT">
+            <PatternLayout pattern="%d [%p][%t][%c:%L] %m%n"/>
+        </Console>
+
+        <RollingFile name="AccessLog" fileName="${FILE_PATH}/access.log"
+          filePattern="${FILE_PATH}/access-%d{yyyy-MM-dd}_%i.log.gz">
+            <PatternLayout pattern="%d [%t] %m%n"/>
+            <Policies>
+                <SizeBasedTriggeringPolicy size="20MB"/>
+            </Policies>
+            <DefaultRolloverStrategy max="100"/>
+        </RollingFile>
+
+        <RollingFile name="MetricsLog" fileName="${FILE_PATH}/metrics.log"
+          filePattern="${FILE_PATH}/metrics-%d{yyyy-MM-dd}_%i.log.gz">
+            <PatternLayout pattern="%d [%t] %m%n"/>
+            <Policies>
+                <SizeBasedTriggeringPolicy size="20MB"/>
+            </Policies>
+            <DefaultRolloverStrategy max="100"/>
+        </RollingFile>
+
+        <RollingFile name="SlowLog" fileName="${FILE_PATH}/slow.log"
+          filePattern="${FILE_PATH}/slow-%d{yyyy-MM-dd}_%i.log.gz">
+            <PatternLayout pattern="%d [%t] %m%n"/>
+            <Policies>
+                <SizeBasedTriggeringPolicy size="20MB"/>
+            </Policies>
+            <DefaultRolloverStrategy max="100"/>
+        </RollingFile>
+    </Appenders>
+
+    <Loggers>
+        <Logger name="scb-access" level="INFO" additivity="false">
+            <AppenderRef ref="AccessLog"/>
+        </Logger>
+        <Logger name="scb-metrics" level="INFO" additivity="false">
+            <AppenderRef ref="MetricsLog"/>
+        </Logger>
+        <Logger name="scb-slow" level="INFO" additivity="false">
+            <AppenderRef ref="SlowLog"/>
+        </Logger>
+
+        <Root level="INFO">
+            <AppenderRef ref="Console"/>
+        </Root>
+    </Loggers>
+</Configuration>
diff --git a/bmi/pom.xml b/bmi/pom.xml
index 2698b97..7e204e2 100644
--- a/bmi/pom.xml
+++ b/bmi/pom.xml
@@ -16,7 +16,7 @@
   -->
 
 <project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>org.apache.servicecomb.samples</groupId>
@@ -28,7 +28,8 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <servicecomb.version>3.0.0-SNAPSHOT</servicecomb.version>
-    <argLine>-Dfile.encoding=UTF-8</argLine>
+    <spring-boot-maven-plugin.version>3.1.3</spring-boot-maven-plugin.version>
+    <maven-compiler-plugin.version>3.11.0</maven-compiler-plugin.version>
     <java.version>17</java.version>
   </properties>
 
@@ -49,6 +50,27 @@
       <groupId>org.apache.servicecomb</groupId>
       <artifactId>registry-service-center</artifactId>
     </dependency>
+    <dependency>
+      <groupId>org.apache.servicecomb</groupId>
+      <artifactId>java-chassis-spring-boot-starter-standalone</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.servicecomb</groupId>
+      <artifactId>solution-basic</artifactId>
+    </dependency>
+    <!-- using log4j2 -->
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-slf4j-impl</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-api</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-core</artifactId>
+    </dependency>
   </dependencies>
 
   <modules>
@@ -59,14 +81,14 @@
   <description>Quick Start Demo for Using ServiceComb Java 
Chassis</description>
 
   <build>
-
     <pluginManagement>
       <plugins>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.1</version>
+          <version>${maven-compiler-plugin.version}</version>
           <configuration>
+            <compilerArgument>-parameters</compilerArgument>
             <source>17</source>
             <target>17</target>
           </configuration>
@@ -74,7 +96,7 @@
         <plugin>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot-maven-plugin</artifactId>
-          <version>2.1.2.RELEASE</version>
+          <version>${spring-boot-maven-plugin.version}</version>
           <executions>
             <execution>
               <goals>
@@ -88,54 +110,5 @@
         </plugin>
       </plugins>
     </pluginManagement>
-
-    <plugins>
-      <!-- 配置项目使用jdk1.8编译 -->
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.1</version>
-        <configuration>
-          <compilerArgument>-parameters</compilerArgument>
-          <encoding>UTF-8</encoding>
-          <source>17</source>
-          <target>17</target>
-          <compilerArgs>
-            <arg>-Werror</arg>
-            <arg>-Xlint:all</arg>
-            <!--not care for jdk8/jdk7 compatible problem-->
-            <arg>-Xlint:-classfile</arg>
-            <!--not care for annotation not processed-->
-            <arg>-Xlint:-processing</arg>
-          </compilerArgs>
-        </configuration>
-      </plugin>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-deploy-plugin</artifactId>
-        <version>2.8.2</version>
-        <configuration>
-          <skip>true</skip>
-        </configuration>
-      </plugin>
-      <plugin>
-        <groupId>org.apache.rat</groupId>
-        <artifactId>apache-rat-plugin</artifactId>
-        <version>0.13</version>
-        <configuration>
-          <excludes>
-            <exclude>.travis.yml</exclude>
-            <exclude>**/*.md</exclude>
-            <exclude>**/target/*</exclude>
-            <!-- Skip the ssl configuration files -->
-            <exculde>**/resources/ssl/**</exculde>
-            <!-- Skip the protobuf files -->
-            <exclude>**/*.proto</exclude>
-            <!-- Skip the idl files -->
-            <exclude>**/*.idl</exclude>
-          </excludes>
-        </configuration>
-      </plugin>
-    </plugins>
   </build>
 </project>
diff --git a/bmi/webapp/pom.xml b/bmi/webapp/pom.xml
index fc82d4e..46ba20c 100644
--- a/bmi/webapp/pom.xml
+++ b/bmi/webapp/pom.xml
@@ -17,34 +17,34 @@
   -->
 
 <project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
-    <parent>
-        <artifactId>bmi</artifactId>
-        <groupId>org.apache.servicecomb.samples</groupId>
-        <version>3.0.0-SNAPSHOT</version>
-    </parent>
-    <modelVersion>4.0.0</modelVersion>
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+  <parent>
+    <artifactId>bmi</artifactId>
+    <groupId>org.apache.servicecomb.samples</groupId>
+    <version>3.0.0-SNAPSHOT</version>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
 
-    <artifactId>webapp</artifactId>
-    <name>Java Chassis::Samples::BMI::Webapp</name>
+  <artifactId>webapp</artifactId>
+  <name>Java Chassis::Samples::BMI::Webapp</name>
 
-    <dependencies>
-        <dependency>
-            <groupId>org.apache.servicecomb</groupId>
-            
<artifactId>java-chassis-spring-boot-starter-standalone</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.servicecomb</groupId>
-            <artifactId>edge-core</artifactId>
-        </dependency>
-    </dependencies>
+  <properties>
+    
<start-class>org.apache.servicecomb.samples.GatewayApplication</start-class>
+  </properties>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.servicecomb</groupId>
+      <artifactId>edge-core</artifactId>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-maven-plugin</artifactId>
+      </plugin>
+    </plugins>
+  </build>
 </project>
diff --git a/bmi/webapp/src/main/resources/application.yml 
b/bmi/webapp/src/main/resources/application.yml
index 230022a..c995d1d 100644
--- a/bmi/webapp/src/main/resources/application.yml
+++ b/bmi/webapp/src/main/resources/application.yml
@@ -30,6 +30,67 @@ servicecomb:
   tracing:
     enabled: false
 
+  matchGroup:
+    bmi-operation: |
+      matches:
+        - apiPath:
+            exact: "/bmi"
+    bmi-operation-heavy: |
+      matches:
+        - apiPath:
+            exact: "/bmi"
+          queries:
+            weight:
+              compare: ">=60"
+    bmi-operation-thin: |
+      matches:
+        - apiPath:
+            exact: "/bmi"
+          queries:
+            weight:
+              compare: "<60"
+  mapper:
+    bmi-operation-heavy: |
+      target:
+        x-gray: "1"
+    bmi-operation-thin: |
+      target:
+        x-gray: "0"
+#  instanceIsolation:
+#    bmi-operation: |
+#      minimumNumberOfCalls: 5
+#      slidingWindowSize: 10
+#      slidingWindowType: COUNT_BASED
+#      failureRateThreshold: 50
+#      slowCallRateThreshold: 100
+#      slowCallDurationThreshold: 3000
+#      recordFailureStatus: [503]
+#      waitDurationInOpenState: 10000
+#      permittedNumberOfCallsInHalfOpenState: 10
+
+  # enable router for edge service
+  router:
+    type: router
+  globalRouteRule: |
+    - precedence: 2
+      match:
+        headers:
+          x-gray: 
+            exact: "1"
+      route:
+        - weight: 100
+          tags:
+            version: 0.0.2
+    - precedence: 1
+      match:
+        headers:
+          x-gray: 
+            exact: "0"
+      route:
+        - weight: 100
+          tags:
+            version: 0.0.1
+
   http:
     dispatcher:
       edge:
@@ -49,4 +110,4 @@ servicecomb:
 
 # This is web root for windows server, change this path according to where you 
put your source code
 gateway:
-  webroot: 
/code/servicecomb-samples/java-chassis-samples/bmi/webapp/src/main/resources/static
\ No newline at end of file
+  webroot: /code/servicecomb-samples/bmi/webapp/src/main/resources/static
diff --git a/bmi/webapp/src/main/resources/log4j2.xml 
b/bmi/webapp/src/main/resources/log4j2.xml
new file mode 100644
index 0000000..7bfc22e
--- /dev/null
+++ b/bmi/webapp/src/main/resources/log4j2.xml
@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+      http://www.apache.org/licenses/LICENSE-2.0
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+-->
+<Configuration>
+    <Properties>
+        <property name="FILE_PATH" value="./logs/webapp"/>
+    </Properties>
+
+    <Appenders>
+        <Console name="Console" target="SYSTEM_OUT">
+            <PatternLayout pattern="%d [%p][%t][%c:%L] %m%n"/>
+        </Console>
+
+        <RollingFile name="AccessLog" fileName="${FILE_PATH}/access.log"
+          filePattern="${FILE_PATH}/access-%d{yyyy-MM-dd}_%i.log.gz">
+            <PatternLayout pattern="%d [%t] %m%n"/>
+            <Policies>
+                <SizeBasedTriggeringPolicy size="20MB"/>
+            </Policies>
+            <DefaultRolloverStrategy max="100"/>
+        </RollingFile>
+
+        <RollingFile name="MetricsLog" fileName="${FILE_PATH}/metrics.log"
+          filePattern="${FILE_PATH}/metrics-%d{yyyy-MM-dd}_%i.log.gz">
+            <PatternLayout pattern="%d [%t] %m%n"/>
+            <Policies>
+                <SizeBasedTriggeringPolicy size="20MB"/>
+            </Policies>
+            <DefaultRolloverStrategy max="100"/>
+        </RollingFile>
+
+        <RollingFile name="SlowLog" fileName="${FILE_PATH}/slow.log"
+          filePattern="${FILE_PATH}/slow-%d{yyyy-MM-dd}_%i.log.gz">
+            <PatternLayout pattern="%d [%t] %m%n"/>
+            <Policies>
+                <SizeBasedTriggeringPolicy size="20MB"/>
+            </Policies>
+            <DefaultRolloverStrategy max="100"/>
+        </RollingFile>
+    </Appenders>
+
+    <Loggers>
+        <Logger name="scb-access" level="INFO" additivity="false">
+            <AppenderRef ref="AccessLog"/>
+        </Logger>
+        <Logger name="scb-metrics" level="INFO" additivity="false">
+            <AppenderRef ref="MetricsLog"/>
+        </Logger>
+        <Logger name="scb-slow" level="INFO" additivity="false">
+            <AppenderRef ref="SlowLog"/>
+        </Logger>
+
+        <Root level="INFO">
+            <AppenderRef ref="Console"/>
+        </Root>
+    </Loggers>
+</Configuration>
diff --git a/bmi/webapp/src/main/resources/static/index.html 
b/bmi/webapp/src/main/resources/static/index.html
index 8dcbd56..91524c1 100644
--- a/bmi/webapp/src/main/resources/static/index.html
+++ b/bmi/webapp/src/main/resources/static/index.html
@@ -89,13 +89,8 @@
               return;
             }
             var resp = JSON.parse(xhr.responseText);
-            if (xhr.status == 429) {
-              $("#error_message").text(resp.message);
-              
$("#error").removeClass().addClass("alert").addClass("alert-danger").show();
-            } else {
-              $("#error_message").text(resp.error + ": " + resp.exception)
-              
$("#error").removeClass().addClass("alert").addClass("alert-danger").show();
-            }
+            $("#error_message").text(resp.message);
+            
$("#error").removeClass().addClass("alert").addClass("alert-danger").show();
           }
         });
       });
diff --git a/java-chassis-samples/bmi/README.md 
b/java-chassis-samples/bmi/README.md
deleted file mode 100644
index ed2eb0c..0000000
--- a/java-chassis-samples/bmi/README.md
+++ /dev/null
@@ -1,53 +0,0 @@
-# Body Mass Index(BMI) Calculator Microservice Demo
-
-Check this 
[document](https://docs.servicecomb.io/java-chassis/zh_CN/featured-topics/application-bmi/)
 for details explanations about this demo.
-
-## Architecture of BMI Calculator
-There are two microservices in this demo.
-* Webapp (API Gateway)
-* BMI Calculator (computing service)
-
-## Prerequisite
-1. [Oracle JDK 
1.8+](https://docs.oracle.com/javase/8/docs/technotes/guides/install/install_overview.html)
-2. [Maven 3.x](https://maven.apache.org/install.html)
-3. [Gradle 4.x](https://gradle.org/install/)(Optional)
-## Precondition
-see [Precondition](../../README.md)
-
-## Quick Start(Linux)
-* Run the service center
-
-     - [how to start the service 
center](http://servicecomb.apache.org/docs/products/service-center/install/)
-
-
-* Run microservices
-
-    * via maven
-       * Run the **BMI calculator service**
-       
-        ```bash
-        cd bmi/calculator; mvn spring-boot:run
-        ```
-      
-       * Run the **webapp service**
-       
-        ```bash
-        cd bmi/webapp; mvn spring-boot:run
-        ```
- 
-    * via gradle
-    
-       * Run the **BMI calculator service**
-       
-        ```bash
-        cd bmi/calculator; gradle bootRun
-        ```
-    
-       * Run the **webapp service**
-       
-        ```bash
-        cd bmi/webapp; gradle bootRun
-        ```
-
-* Visit the services via **<a>http://127.0.0.1:8889</a>**.
-
diff --git a/java-chassis-samples/bmi/build.gradle 
b/java-chassis-samples/bmi/build.gradle
deleted file mode 100644
index 910663e..0000000
--- a/java-chassis-samples/bmi/build.gradle
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-apply plugin: 'java'
-
-compileJava {
-    options.compilerArgs << '-parameters'
-}
-
-allprojects  {
-    apply plugin: 'maven'
-
-    group = 'org.apache.servicecomb.samples'
-    version = '1.0.0-SNAPSHOT'
-}
-
-buildscript {
-    dependencies {
-        
classpath("org.springframework.boot:spring-boot-gradle-plugin:1.5.12.RELEASE")
-    }
-    repositories {
-        mavenLocal()
-        mavenCentral()
-    }
-}
-
-subprojects {
-    apply plugin: 'java'
-    apply plugin: 'org.springframework.boot'
-
-    sourceCompatibility = 1.8
-    targetCompatibility = 1.8
-
-    tasks.withType(JavaCompile) {
-        options.encoding = 'UTF-8'
-    }
-
-    repositories {
-        mavenLocal()
-        mavenCentral()
-    }
-
-    dependencies {
-        compile group: 'org.hibernate', name: 'hibernate-validator', 
version:'5.2.4.Final'
-    }
-}
diff --git a/java-chassis-samples/bmi/calculator/build.gradle 
b/java-chassis-samples/bmi/calculator/build.gradle
deleted file mode 100644
index 9b9dc06..0000000
--- a/java-chassis-samples/bmi/calculator/build.gradle
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-description = 'Java Chassis::Samples::BMI::Calculator'
-
-apply plugin: 'java'
-
-compileJava {
-    options.compilerArgs << '-parameters'
-}
-
-dependencies {
-    compile group: 'org.apache.servicecomb', name: 
'java-chassis-spring-boot-starter-servlet'
-    compile group: 'org.apache.servicecomb', name: 'handler-flowcontrol-qps'
-    compile group: 'org.apache.servicecomb', name: 'handler-bizkeeper'
-    compile group: 'org.apache.servicecomb', name: 'handler-tracing-zipkin'
-}
-
-// dependency-management-plugin is a replacement of dependencyManagement in 
maven
-// we need to enable the plugin and specify the dependencyManagement in the 
following form in each submodule
-// according to the official document: 
https://github.com/spring-gradle-plugins/dependency-management-plugin.
-buildscript {
-    dependencies {
-        
classpath('io.spring.gradle:dependency-management-plugin:1.0.4.RELEASE')
-    }
-    repositories {
-        mavenLocal()
-        mavenCentral()
-    }
-}
-
-apply plugin: 'io.spring.dependency-management'
-
-dependencyManagement {
-    imports {
-        mavenBom 'org.apache.servicecomb:java-chassis-dependencies:2.0.0'
-    }
-}
diff --git a/java-chassis-samples/bmi/calculator/pom.xml 
b/java-chassis-samples/bmi/calculator/pom.xml
deleted file mode 100644
index 40a7018..0000000
--- a/java-chassis-samples/bmi/calculator/pom.xml
+++ /dev/null
@@ -1,61 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Licensed to the Apache Software Foundation (ASF) under one or more
-  ~ contributor license agreements.  See the NOTICE file distributed with
-  ~ this work for additional information regarding copyright ownership.
-  ~ The ASF licenses this file to You under the Apache License, Version 2.0
-  ~ (the "License"); you may not use this file except in compliance with
-  ~ the License.  You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
-  <parent>
-    <artifactId>bmi</artifactId>
-    <groupId>org.apache.servicecomb.samples</groupId>
-    <version>2.6.0</version>
-  </parent>
-  <modelVersion>4.0.0</modelVersion>
-
-  <artifactId>bmi-calculator</artifactId>
-  <name>Java Chassis::Samples::BMI::Calculator</name>
-
-  <dependencies>
-
-    <dependency>
-      <groupId>org.apache.servicecomb</groupId>
-      <artifactId>java-chassis-spring-boot-starter-servlet</artifactId>
-    </dependency>
-
-    <dependency>
-      <groupId>org.apache.servicecomb</groupId>
-      <artifactId>handler-flowcontrol-qps</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.servicecomb</groupId>
-      <artifactId>handler-bizkeeper</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.servicecomb</groupId>
-      <artifactId>handler-tracing-zipkin</artifactId>
-    </dependency>
-  </dependencies>
-
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-maven-plugin</artifactId>
-      </plugin>
-    </plugins>
-  </build>
-
-</project>
diff --git 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/BMIViewObject.java
 
b/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/BMIViewObject.java
deleted file mode 100644
index 54f00ec..0000000
--- 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/BMIViewObject.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.servicecomb.samples.bmi;
-
-import java.text.SimpleDateFormat;
-import java.util.Date;
-
-public class BMIViewObject {
-
-  private double result;
-
-  private String instanceId;
-
-  private String callTime;
-
-  public BMIViewObject(double result, String instanceId, Date now) {
-    this.result = result;
-    this.instanceId = instanceId;
-    this.callTime = new SimpleDateFormat("HH:mm:ss").format(now);
-  }
-
-  public double getResult() {
-    return result;
-  }
-
-  public void setResult(double result) {
-    this.result = result;
-  }
-
-  public String getInstanceId() {
-    return instanceId;
-  }
-
-  public void setInstanceId(String instanceId) {
-    this.instanceId = instanceId;
-  }
-
-  public String getCallTime() {
-    return callTime;
-  }
-
-  public void setCallTime(String callTime) {
-    this.callTime = callTime;
-  }
-}
diff --git 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorApplication.java
 
b/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorApplication.java
deleted file mode 100644
index d65394f..0000000
--- 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorApplication.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.servicecomb.samples.bmi;
-
-import org.apache.servicecomb.springboot2.starter.EnableServiceComb;
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-
-@SpringBootApplication
-@EnableServiceComb
-public class CalculatorApplication {
-
-  public static void main(String[] args) {
-    SpringApplication.run(CalculatorApplication.class, args);
-  }
-}
diff --git 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorEndpoint.java
 
b/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorEndpoint.java
deleted file mode 100644
index 8be9b40..0000000
--- 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorEndpoint.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.servicecomb.samples.bmi;
-
-/**
- * {@link CalculatorEndpoint} provides the common interface for different 
endpoint implementations.
- * It needs to be declared as public.
- */
-public interface CalculatorEndpoint {
-  /**
-   * Calculate the BMI(Body Mass Index).
-   */
-  BMIViewObject calculate(double height, double weight);
-}
diff --git 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorRestEndpoint.java
 
b/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorRestEndpoint.java
deleted file mode 100644
index de899fb..0000000
--- 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorRestEndpoint.java
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.servicecomb.samples.bmi;
-
-import java.util.Date;
-
-import org.apache.servicecomb.provider.rest.common.RestSchema;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-
-/**
- * {@link CalculatorRestEndpoint} provides the rest implementation of {@link 
CalculatorEndpoint}.
- * The rest endpoint is accessed by /bmi?height={value}&weight={value} with 
HTTP GET.
- */
-@RestSchema(schemaId = "calculatorRestEndpoint")
-@RequestMapping(path = "/")
-public class CalculatorRestEndpoint implements CalculatorEndpoint {
-
-  private final CalculatorService calculatorService;
-
-  private final InstanceInfoService instanceInfoService;
-
-  @Autowired
-  public CalculatorRestEndpoint(CalculatorService calculatorService, 
InstanceInfoService instanceInfoService) {
-    this.calculatorService = calculatorService;
-    this.instanceInfoService = instanceInfoService;
-  }
-
-  @GetMapping(path = "/bmi")
-  @Override
-  public BMIViewObject calculate(double height, double weight) {
-
-    String instanceId = instanceInfoService.getInstanceId();
-    double bmiResult = calculatorService.calculate(height, weight);
-    return new BMIViewObject(bmiResult, instanceId, new Date());
-  }
-}
diff --git 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorService.java
 
b/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorService.java
deleted file mode 100644
index 4d0fc8d..0000000
--- 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorService.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.servicecomb.samples.bmi;
-
-/**
- * {@link CalculatorService} provides interface of actual BMI calculation.
- */
-public interface CalculatorService {
-
-  /**
-   * @see CalculatorEndpoint#calculate(double, double)
-   */
-  double calculate(double height, double weight);
-}
diff --git 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorServiceImpl.java
 
b/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorServiceImpl.java
deleted file mode 100644
index 1d70a18..0000000
--- 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/CalculatorServiceImpl.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.servicecomb.samples.bmi;
-
-import java.math.BigDecimal;
-import java.math.RoundingMode;
-
-import org.springframework.stereotype.Service;
-
-@Service
-public class CalculatorServiceImpl implements CalculatorService {
-
-  /**
-   * {@inheritDoc}
-   */
-  @Override
-  public double calculate(double height, double weight) {
-    if (height <= 0 || weight <= 0) {
-      throw new IllegalArgumentException("Arguments must be above 0");
-    }
-    double heightInMeter = height / 100;
-    double bmi = weight / (heightInMeter * heightInMeter);
-    return roundToOnePrecision(bmi);
-  }
-
-  private double roundToOnePrecision(double value) {
-    return BigDecimal.valueOf(value).setScale(1, 
RoundingMode.HALF_UP).doubleValue();
-  }
-}
diff --git 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/InstanceInfoService.java
 
b/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/InstanceInfoService.java
deleted file mode 100644
index d6fad32..0000000
--- 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/InstanceInfoService.java
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.servicecomb.samples.bmi;
-
-/**
- * {@link InstanceInfoService} provides interface of instance information.
- */
-public interface InstanceInfoService {
-
-  String getInstanceId();
-}
diff --git 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/InstanceInfoServiceImpl.java
 
b/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/InstanceInfoServiceImpl.java
deleted file mode 100644
index 8a960a2..0000000
--- 
a/java-chassis-samples/bmi/calculator/src/main/java/org/apache/servicecomb/samples/bmi/InstanceInfoServiceImpl.java
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.servicecomb.samples.bmi;
-
-import org.apache.servicecomb.registry.RegistrationManager;
-import org.apache.servicecomb.registry.api.registry.MicroserviceInstance;
-import org.springframework.stereotype.Service;
-
-@Service
-public class InstanceInfoServiceImpl implements InstanceInfoService {
-
-  /**
-   * {@inheritDoc}
-   */
-  @Override
-  public String getInstanceId() {
-
-    MicroserviceInstance instance = 
RegistrationManager.INSTANCE.getMicroserviceInstance();
-    if (instance == null) {
-      throw new IllegalStateException(
-          "unable to find any service instances, maybe there is problem 
registering in service center?");
-    }
-    return instance.getInstanceId();
-  }
-}
diff --git 
a/java-chassis-samples/bmi/calculator/src/main/resources/application.yml 
b/java-chassis-samples/bmi/calculator/src/main/resources/application.yml
deleted file mode 100644
index 5bd55ef..0000000
--- a/java-chassis-samples/bmi/calculator/src/main/resources/application.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-#
-## ---------------------------------------------------------------------------
-## Licensed to the Apache Software Foundation (ASF) under one or more
-## contributor license agreements.  See the NOTICE file distributed with
-## this work for additional information regarding copyright ownership.
-## The ASF licenses this file to You under the Apache License, Version 2.0
-## (the "License"); you may not use this file except in compliance with
-## the License.  You may obtain a copy of the License at
-##
-##      http://www.apache.org/licenses/LICENSE-2.0
-##
-## Unless required by applicable law or agreed to in writing, software
-## distributed under the License is distributed on an "AS IS" BASIS,
-## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-## See the License for the specific language governing permissions and
-## limitations under the License.
-## ---------------------------------------------------------------------------
-
-server:
-  port: 7777
-
-servicecomb:
-  service:
-    application: bmi
-    name: calculator
-    version: 0.0.1
-
-    registry:
-      address: http://127.0.0.1:30100
-  rest:
-    address: 0.0.0.0:7777
-  handler:
-    chain:
-      Provider:
-        default: bizkeeper-provider
\ No newline at end of file
diff --git a/java-chassis-samples/bmi/pom.xml b/java-chassis-samples/bmi/pom.xml
deleted file mode 100644
index a0352bb..0000000
--- a/java-chassis-samples/bmi/pom.xml
+++ /dev/null
@@ -1,52 +0,0 @@
-<!--
-  ~ Licensed to the Apache Software Foundation (ASF) under one or more
-  ~ contributor license agreements.  See the NOTICE file distributed with
-  ~ this work for additional information regarding copyright ownership.
-  ~ The ASF licenses this file to You under the Apache License, Version 2.0
-  ~ (the "License"); you may not use this file except in compliance with
-  ~ the License.  You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
-  <modelVersion>4.0.0</modelVersion>
-
-  <parent>
-    <groupId>org.apache.servicecomb.samples</groupId>
-    <artifactId>samples</artifactId>
-    <version>2.6.0</version>
-  </parent>
-
-  <artifactId>bmi</artifactId>
-  <name>Java Chassis::Samples::BMI</name>
-  <packaging>pom</packaging>
-
-  <dependencies>
-    <dependency>
-      <groupId>org.apache.servicecomb</groupId>
-      <artifactId>registry-service-center</artifactId>
-    </dependency>
-  </dependencies>
-
-  <modules>
-    <module>calculator</module>
-    <module>webapp</module>
-  </modules>
-
-  <description>Quick Start Demo for Using ServiceComb Java 
Chassis</description>
-
-  <properties>
-    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <java.version>1.8</java.version>
-  </properties>
-
-</project>
diff --git a/java-chassis-samples/bmi/settings.gradle 
b/java-chassis-samples/bmi/settings.gradle
deleted file mode 100644
index 308a503..0000000
--- a/java-chassis-samples/bmi/settings.gradle
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-rootProject.name = 'bmi'
-include ':bmi-calculator'
-include ':webapp'
-
-project(':bmi-calculator').projectDir = "$rootDir/calculator" as File
-project(':webapp').projectDir = "$rootDir/webapp" as File
\ No newline at end of file
diff --git a/java-chassis-samples/bmi/webapp/build.gradle 
b/java-chassis-samples/bmi/webapp/build.gradle
deleted file mode 100644
index 46abe15..0000000
--- a/java-chassis-samples/bmi/webapp/build.gradle
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-description = 'Java Chassis::Samples::BMI::Webapp'
-
-apply plugin: 'java'
-
-compileJava {
-    options.compilerArgs << '-parameters'
-}
-
-dependencies {
-    compile group: 'org.apache.servicecomb', name: 
'java-chassis-spring-boot-starter-standalone'
-    compile group: 'org.apache.servicecomb', name: 'edge-core'
-}
-
-// dependency-management-plugin is a replacement of dependencyManagement in 
maven
-// we need to enable the plugin and specify the dependencyManagement in the 
following form in each submodule
-// according to the official document: 
https://github.com/spring-gradle-plugins/dependency-management-plugin.
-buildscript {
-    dependencies {
-        
classpath('io.spring.gradle:dependency-management-plugin:1.0.4.RELEASE')
-    }
-    repositories {
-        mavenLocal()
-        mavenCentral()
-    }
-}
-
-apply plugin: 'io.spring.dependency-management'
-
-dependencyManagement {
-    imports {
-        mavenBom 'org.apache.servicecomb:java-chassis-dependencies:2.0.0'
-    }
-}
diff --git a/java-chassis-samples/bmi/webapp/pom.xml 
b/java-chassis-samples/bmi/webapp/pom.xml
deleted file mode 100644
index 525c004..0000000
--- a/java-chassis-samples/bmi/webapp/pom.xml
+++ /dev/null
@@ -1,50 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Licensed to the Apache Software Foundation (ASF) under one or more
-  ~ contributor license agreements.  See the NOTICE file distributed with
-  ~ this work for additional information regarding copyright ownership.
-  ~ The ASF licenses this file to You under the Apache License, Version 2.0
-  ~ (the "License"); you may not use this file except in compliance with
-  ~ the License.  You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
-  <parent>
-    <artifactId>bmi</artifactId>
-    <groupId>org.apache.servicecomb.samples</groupId>
-    <version>2.6.0</version>
-  </parent>
-  <modelVersion>4.0.0</modelVersion>
-
-  <artifactId>webapp</artifactId>
-  <name>Java Chassis::Samples::BMI::Webapp</name>
-
-  <dependencies>
-    <dependency>
-      <groupId>org.apache.servicecomb</groupId>
-      <artifactId>java-chassis-spring-boot-starter-standalone</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.servicecomb</groupId>
-      <artifactId>edge-core</artifactId>
-    </dependency>
-  </dependencies>
-
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-maven-plugin</artifactId>
-      </plugin>
-    </plugins>
-  </build>
-</project>
diff --git 
a/java-chassis-samples/bmi/webapp/src/main/java/org/apache/servicecomb/samples/bmi/GatewayApplication.java
 
b/java-chassis-samples/bmi/webapp/src/main/java/org/apache/servicecomb/samples/bmi/GatewayApplication.java
deleted file mode 100644
index 6de14dd..0000000
--- 
a/java-chassis-samples/bmi/webapp/src/main/java/org/apache/servicecomb/samples/bmi/GatewayApplication.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.servicecomb.samples.bmi;
-
-import org.apache.servicecomb.springboot2.starter.EnableServiceComb;
-import org.springframework.boot.WebApplicationType;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.boot.builder.SpringApplicationBuilder;
-
-@SpringBootApplication
-@EnableServiceComb
-public class GatewayApplication {
-  public static void main(String[] args) {
-    new 
SpringApplicationBuilder().web(WebApplicationType.NONE).sources(GatewayApplication.class).run(args);
-  }
-}
diff --git 
a/java-chassis-samples/bmi/webapp/src/main/java/org/apache/servicecomb/samples/bmi/StaticWebpageDispatcher.java
 
b/java-chassis-samples/bmi/webapp/src/main/java/org/apache/servicecomb/samples/bmi/StaticWebpageDispatcher.java
deleted file mode 100644
index 780c7fd..0000000
--- 
a/java-chassis-samples/bmi/webapp/src/main/java/org/apache/servicecomb/samples/bmi/StaticWebpageDispatcher.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.servicecomb.samples.bmi;
-
-import org.apache.servicecomb.transport.rest.vertx.VertxHttpDispatcher;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.netflix.config.DynamicPropertyFactory;
-
-import io.vertx.ext.web.Router;
-import io.vertx.ext.web.handler.StaticHandler;
-
-public class StaticWebpageDispatcher implements VertxHttpDispatcher {
-  private static final Logger LOGGER = 
LoggerFactory.getLogger(StaticWebpageDispatcher.class);
-
-  private static final String WEB_ROOT = DynamicPropertyFactory.getInstance()
-      .getStringProperty("gateway.webroot", "/var/static")
-      .get();
-
-  @Override
-  public int getOrder() {
-    return Integer.MAX_VALUE / 2;
-  }
-
-  @Override
-  public void init(Router router) {
-    String regex = "/(.*)";
-    StaticHandler webpageHandler = StaticHandler.create();
-    webpageHandler.setWebRoot(WEB_ROOT);
-    LOGGER.info("server static web page for WEB_ROOT={}", WEB_ROOT);
-    router.routeWithRegex(regex).failureHandler((context) -> {
-      LOGGER.error("", context.failure());
-    }).handler(webpageHandler);
-  }
-}
diff --git 
a/java-chassis-samples/bmi/webapp/src/main/resources/META-INF/services/org.apache.servicecomb.transport.rest.vertx.VertxHttpDispatcher
 
b/java-chassis-samples/bmi/webapp/src/main/resources/META-INF/services/org.apache.servicecomb.transport.rest.vertx.VertxHttpDispatcher
deleted file mode 100644
index 0740ab7..0000000
--- 
a/java-chassis-samples/bmi/webapp/src/main/resources/META-INF/services/org.apache.servicecomb.transport.rest.vertx.VertxHttpDispatcher
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-org.apache.servicecomb.samples.bmi.StaticWebpageDispatcher
\ No newline at end of file
diff --git a/java-chassis-samples/bmi/webapp/src/main/resources/application.yml 
b/java-chassis-samples/bmi/webapp/src/main/resources/application.yml
deleted file mode 100644
index 97aee70..0000000
--- a/java-chassis-samples/bmi/webapp/src/main/resources/application.yml
+++ /dev/null
@@ -1,51 +0,0 @@
-## ---------------------------------------------------------------------------
-## Licensed to the Apache Software Foundation (ASF) under one or more
-## contributor license agreements.  See the NOTICE file distributed with
-## this work for additional information regarding copyright ownership.
-## The ASF licenses this file to You under the Apache License, Version 2.0
-## (the "License"); you may not use this file except in compliance with
-## the License.  You may obtain a copy of the License at
-##
-##      http://www.apache.org/licenses/LICENSE-2.0
-##
-## Unless required by applicable law or agreed to in writing, software
-## distributed under the License is distributed on an "AS IS" BASIS,
-## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-## See the License for the specific language governing permissions and
-## limitations under the License.
-## ---------------------------------------------------------------------------
-
-servicecomb:
-  service:
-    application: bmi
-    name: gateway
-    version: 0.0.1
-
-    registry:
-      address: http://127.0.0.1:30100
-  rest:
-    address: 0.0.0.0:8889
-
-  tracing:
-    enabled: false
-
-  http:
-    dispatcher:
-      edge:
-        default:
-          enabled: false
-          prefix: api
-          withVersion: false
-          prefixSegmentCount: 1
-        url:
-          enabled: true
-          mappings:
-            calculator:
-              prefixSegmentCount: 1
-              path: "/calculator/.*"
-              microserviceName: calculator
-              versionRule: 0.0.0+
-
-# This is web root for windows server, change this path according to where you 
put your source code
-gateway:
-  webroot: 
/code/servicecomb-samples/java-chassis-samples/bmi/webapp/src/main/resources/static
\ No newline at end of file
diff --git 
a/java-chassis-samples/bmi/webapp/src/main/resources/static/index.html 
b/java-chassis-samples/bmi/webapp/src/main/resources/static/index.html
deleted file mode 100644
index 8dcbd56..0000000
--- a/java-chassis-samples/bmi/webapp/src/main/resources/static/index.html
+++ /dev/null
@@ -1,104 +0,0 @@
-<!DOCTYPE HTML>
-<!--
-  ~ Licensed to the Apache Software Foundation (ASF) under one or more
-  ~ contributor license agreements.  See the NOTICE file distributed with
-  ~ this work for additional information regarding copyright ownership.
-  ~ The ASF licenses this file to You under the Apache License, Version 2.0
-  ~ (the "License"); you may not use this file except in compliance with
-  ~ the License.  You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<html>
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1, 
shrink-to-fit=no">
-
-    <link rel="stylesheet" 
href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/css/bootstrap.min.css";
 
integrity="sha384-/Y6pD6FV/Vv2HJnA6t+vslU6fwYXjCFtcEpHbNJ0lyAFsXTsjBbfaDjzALeQsN6M"
 crossorigin="anonymous">
-    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
-    <script src="jquery-1.11.1.min.js"></script>
-    <script 
src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.11.0/umd/popper.min.js"; 
integrity="sha384-b/U6ypiBEHpOf/4+1nzFpr53nxSS+GLCkfwBdFNTxtclqqenISfwAzpKaMNFNmj4"
 crossorigin="anonymous"></script>
-    <script 
src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/js/bootstrap.min.js"; 
integrity="sha384-h0AbiXch4ZDo7tp9hKZ4TsHbi047NrKGLO3SEJAg45jXxnGIfYzk4Si90RDIqNm1"
 crossorigin="anonymous"></script>
-  </head>
-  <body>
-    <div class="container">
-
-      <div class="col-md-1"></div>
-      <div class="col-md-10">
-        <h2 align="center">BMI Calculator</h2>
-
-        <div class="form-group">
-          <label for="height" class="col-form-label"><b>Height(cm):</b></label>
-          <input type="number" class="form-control" id="height" name="height" 
placeholder="Please input your height">
-        </div>
-        <div class="form-group">
-            <label for="weight" 
class="col-form-label"><b>Weight(kg):</b></label>
-            <input type="number" class="form-control" id="weight" 
name="weight" placeholder="Please input your weight">
-        </div>
-        <button type="submit" class="btn btn-primary" 
id="submit">Submit</button>
-
-        <br/>
-        <div class="alert alert-light" role="alert" id="bmi">
-          <h3>BMI Result: <span id="bmi_result"></span></h3>
-          <h3>BMI Instance ID: <span id="bmi_instanceId"></span></h3>
-          <h3>BMI Called Time: <span id="bmi_callTime"></span></h3>
-        </div>
-        <div class="alert alert-secondary" role="alert">
-          <b>Note: </b>Range of healthy weight is between <b>18.5</b> and 
<b>24.9</b>.
-        </div>
-        <div id="error" class="alert alert-danger" role="alert"><p 
id="error_message"></p></div>
-      </div>
-    </div>
-
-  </body>
-  <script>
-      $("#error").hide();
-      $("#submit").click(function () {
-        if ( !$("#height").val() || !$("#weight").val() ) {
-          alert("Please input both the height and weight");
-          return;
-        }
-        $.ajax({
-          url: "/calculator/bmi?height=" + $("#height").val() + "&weight=" + 
$("#weight").val(),
-          type: "GET",
-          success: function (data) {
-            $("#error").hide();
-            $("#bmi_result").text(data.result);
-            $("#bmi_instanceId").text(data.instanceId);
-            $("#bmi_callTime").text(data.callTime);
-            if ( data.result < 18.5 || (data.result < 30 && data.result >= 25) 
) {
-              
$("#bmi").removeClass().addClass("alert").addClass("alert-warning");
-            } else if ( data.result < 25 && data.result >= 18.5 ) {
-              
$("#bmi").removeClass().addClass("alert").addClass("alert-success");
-            } else {
-              
$("#bmi").removeClass().addClass("alert").addClass("alert-danger");
-            }
-          },
-          error: function (xhr) {
-            $("#bmi").removeClass().addClass("alert").addClass("alert-light");
-            $("#bmi_result").text('');
-            if (xhr.responseText.length == 0) {
-              $("#error_message").text("empty fallback called");
-              
$("#error").removeClass().addClass("alert").addClass("alert-success").show();
-              return;
-            }
-            var resp = JSON.parse(xhr.responseText);
-            if (xhr.status == 429) {
-              $("#error_message").text(resp.message);
-              
$("#error").removeClass().addClass("alert").addClass("alert-danger").show();
-            } else {
-              $("#error_message").text(resp.error + ": " + resp.exception)
-              
$("#error").removeClass().addClass("alert").addClass("alert-danger").show();
-            }
-          }
-        });
-      });
-    </script>
-
-</html>
diff --git 
a/java-chassis-samples/bmi/webapp/src/main/resources/static/jquery-1.11.1.min.js
 
b/java-chassis-samples/bmi/webapp/src/main/resources/static/jquery-1.11.1.min.js
deleted file mode 100644
index ab28a24..0000000
--- 
a/java-chassis-samples/bmi/webapp/src/main/resources/static/jquery-1.11.1.min.js
+++ /dev/null
@@ -1,4 +0,0 @@
-/*! jQuery v1.11.1 | (c) 2005, 2014 jQuery Foundation, Inc. | 
jquery.org/license */
-!function(a,b){"object"==typeof module&&"object"==typeof 
module.exports?module.exports=a.document?b(a,!0):function(a){if(!a.document)throw
 new Error("jQuery requires a window with a document");return 
b(a)}:b(a)}("undefined"!=typeof window?window:this,function(a,b){var 
c=[],d=c.slice,e=c.concat,f=c.push,g=c.indexOf,h={},i=h.toString,j=h.hasOwnProperty,k={},l="1.11.1",m=function(a,b){return
 new 
m.fn.init(a,b)},n=/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,o=/^-ms-/,p=/-([\da-z])/gi,q=function(a,b
 [...]
-if(k&&j[k]&&(e||j[k].data)||void 0!==d||"string"!=typeof b)return 
k||(k=i?a[h]=c.pop()||m.guid++:h),j[k]||(j[k]=i?{}:{toJSON:m.noop}),("object"==typeof
 b||"function"==typeof 
b)&&(e?j[k]=m.extend(j[k],b):j[k].data=m.extend(j[k].data,b)),g=j[k],e||(g.data||(g.data={}),g=g.data),void
 0!==d&&(g[m.camelCase(b)]=d),"string"==typeof 
b?(f=g[b],null==f&&(f=g[m.camelCase(b)])):f=g,f}}function 
R(a,b,c){if(m.acceptData(a)){var 
d,e,f=a.nodeType,g=f?m.cache:a,h=f?a[m.expando]:m.expando;if(g[h]){if(b&& [...]
-},cur:function(){var a=Zb.propHooks[this.prop];return 
a&&a.get?a.get(this):Zb.propHooks._default.get(this)},run:function(a){var 
b,c=Zb.propHooks[this.prop];return 
this.pos=b=this.options.duration?m.easing[this.easing](a,this.options.duration*a,0,1,this.options.duration):a,this.now=(this.end-this.start)*b+this.start,this.options.step&&this.options.step.call(this.elem,this.now,this),c&&c.set?c.set(this):Zb.propHooks._default.set(this),this}},Zb.prototype.init.prototype=Zb.prototype,Zb.prop
 [...]
diff --git a/java-chassis-samples/pom.xml b/java-chassis-samples/pom.xml
index 7a392f1..8a48d88 100644
--- a/java-chassis-samples/pom.xml
+++ b/java-chassis-samples/pom.xml
@@ -33,7 +33,6 @@
   </properties>
 
   <modules>
-    <module>bmi</module>
     <module>codefirst-sample</module>
     <module>custom-handler-sample</module>
     <module>jaxrs-sample</module>

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