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按主键散列，未设置主键时无限空指针异常 (#1889)

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当按注解散列时，如果监控的表未显示设置主键，将会导致flatMessage.getPkNames()为空，导致无限空指针异常
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Z6N
2019-06-18 15:01:00 +08:00
committed by agapple
parent 75b4911caf
commit 5ac0f7b710
1 changed files with 7 additions and 5 deletions
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12
server/src/main/java/com/alibaba/otter/canal/common/MQMessageUtils.java
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@@ -446,12 +446,14 @@ public class MQMessageUtils {
int idx = 0; int idx = 0;
for (Map<String, String> row : flatMessage.getData()) { for (Map<String, String> row : flatMessage.getData()) {
int hashCode = database.hashCode(); int hashCode = database.hashCode();
for (String pkName : pkNames) { if (pkNames != null) {
String value = row.get(pkName); for (String pkName : pkNames) {
if (value == null) { String value = row.get(pkName);
value = ""; if (value == null) {
value = "";
}
hashCode = hashCode ^ value.hashCode();
} }
hashCode = hashCode ^ value.hashCode();
} }
int pkHash = Math.abs(hashCode) % partitionsNum; int pkHash = Math.abs(hashCode) % partitionsNum;