fix typo in dubbo (apache#3937)

dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/loadbalance/LeastActiveLoadBalance.java

@@ -71,7 +71,7 @@ protected <T> Invoker<T> doSelect(List<Invoker<T>> invokers, URL url, Invocation
                 leastActive = active;
                 // Reset the number of least active invokers
                 leastCount = 1;
-                // Put the first least active invoker first in leastIndexs
+                // Put the first least active invoker first in leastIndexes
                 leastIndexes[0] = i;
                 // Reset totalWeight
                 totalWeight = afterWarmup;
@@ -81,7 +81,7 @@ protected <T> Invoker<T> doSelect(List<Invoker<T>> invokers, URL url, Invocation
                 sameWeight = true;
                 // If current invoker's active value equals with leaseActive, then accumulating.
             } else if (active == leastActive) {
-                // Record the index of the least active invoker in leastIndexs order
+                // Record the index of the least active invoker in leastIndexes order
                 leastIndexes[leastCount++] = i;
                 // Accumulate the total weight of the least active invoker
                 totalWeight += afterWarmup;

dubbo-cluster/src/test/java/org/apache/dubbo/rpc/cluster/loadbalance/LeastActiveBalanceTest.java

@@ -35,7 +35,7 @@ public void testLeastActiveLoadBalance_select() {
             Long count = entry.getValue().get();
             //            System.out.println(count);
             Assertions.assertTrue(
-                    Math.abs(count - runs / (0f + invokers.size())) < runs / (0f + invokers.size()), "abs diff shoud < avg");
+                    Math.abs(count - runs / (0f + invokers.size())) < runs / (0f + invokers.size()), "abs diff should < avg");
         }
     }
 

dubbo-cluster/src/test/java/org/apache/dubbo/rpc/cluster/support/FailfastClusterInvokerTest.java

@@ -80,7 +80,7 @@ private void resetInvoker1ToNoException() {
     }
 
     @Test
-    public void testInvokeExceptoin() {
+    public void testInvokeException() {
         Assertions.assertThrows(RpcException.class, () -> {
             resetInvoker1ToException();
             FailfastClusterInvoker<FailfastClusterInvokerTest> invoker = new FailfastClusterInvoker<FailfastClusterInvokerTest>(dic);
@@ -90,7 +90,7 @@ public void testInvokeExceptoin() {
     }
 
     @Test()
-    public void testInvokeNoExceptoin() {
+    public void testInvokeNoException() {
 
         resetInvoker1ToNoException();
 

dubbo-common/pom.xml

@@ -77,9 +77,5 @@
             <groupId>de.ruedigermoeller</groupId>
             <artifactId>fst</artifactId>
         </dependency>
-        <dependency>
-            <groupId>com.google.protobuf</groupId>
-            <artifactId>protobuf-java-util</artifactId>
-        </dependency>
     </dependencies>
 </project>

dubbo-common/src/main/java/org/apache/dubbo/common/extension/AdaptiveClassCodeGenerator.java

@@ -224,7 +224,7 @@ private String generateMethodContent(Method method) {
             code.append(generateExtensionAssignment());
 
             // return statement
-            code.append(generateReturnAndInovation(method));
+            code.append(generateReturnAndInvocation(method));
         }
 
         return code.toString();
@@ -292,7 +292,7 @@ private String generateExtensionAssignment() {
     /**
      * generate method invocation statement and return it if necessary
      */
-    private String generateReturnAndInovation(Method method) {
+    private String generateReturnAndInvocation(Method method) {
         String returnStatement = method.getReturnType().equals(void.class) ? "" : "return ";
 
         String args = Arrays.stream(method.getParameters()).map(Parameter::getName).collect(Collectors.joining(", "));

dubbo-common/src/test/java/org/apache/dubbo/common/beanutil/JavaBeanSerializeUtilTest.java

@@ -441,20 +441,20 @@ static void assertEqualsBigPerson(BigPerson person, Object obj) {
         assertEqualsPrimitive(person.getInfoProfile().isMale(), infoProfile.getProperty("male"));
     }
 
-    static void assertEqualsPhone(Phone excpected, Object obj) {
+    static void assertEqualsPhone(Phone expected, Object obj) {
         JavaBeanDescriptor descriptor = (JavaBeanDescriptor) obj;
         Assertions.assertTrue(descriptor.isBeanType());
-        if (excpected.getArea() != null) {
-            assertEqualsPrimitive(excpected.getArea(), descriptor.getProperty("area"));
+        if (expected.getArea() != null) {
+            assertEqualsPrimitive(expected.getArea(), descriptor.getProperty("area"));
         }
-        if (excpected.getCountry() != null) {
-            assertEqualsPrimitive(excpected.getCountry(), descriptor.getProperty("country"));
+        if (expected.getCountry() != null) {
+            assertEqualsPrimitive(expected.getCountry(), descriptor.getProperty("country"));
         }
-        if (excpected.getExtensionNumber() != null) {
-            assertEqualsPrimitive(excpected.getExtensionNumber(), descriptor.getProperty("extensionNumber"));
+        if (expected.getExtensionNumber() != null) {
+            assertEqualsPrimitive(expected.getExtensionNumber(), descriptor.getProperty("extensionNumber"));
         }
-        if (excpected.getNumber() != null) {
-            assertEqualsPrimitive(excpected.getNumber(), descriptor.getProperty("number"));
+        if (expected.getNumber() != null) {
+            assertEqualsPrimitive(expected.getNumber(), descriptor.getProperty("number"));
         }
     }
 

dubbo-config/dubbo-config-api/src/test/java/org/apache/dubbo/config/AbstractConfigTest.java

@@ -306,7 +306,7 @@ public void testRefreshAll() {
 
             System.setProperty("dubbo.override.address", "system://127.0.0.1:2181");
             System.setProperty("dubbo.override.protocol", "system");
-            // this will not override, use 'key' instread, @Parameter(key="key1", useKeyAsProperty=false)
+            // this will not override, use 'key' instead, @Parameter(key="key1", useKeyAsProperty=false)
             System.setProperty("dubbo.override.key1", "system");
             System.setProperty("dubbo.override.key2", "system");