From ddf9cae2f4b4205d21748e4a3ce1194bca4deaea Mon Sep 17 00:00:00 2001
From: Lifu Wu <purelind@users.noreply.github.com>
Date: Fri, 4 Jun 2021 18:17:47 +0800
Subject: [PATCH] fix error on new ci

fix a jenkins error on new ci: Caused: java.io.NotSerializableException: java.util.regex.Matcher

Signed-off-by: purelind <purelind@gmail.com>
---
 .ci/integration_test.groovy | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.ci/integration_test.groovy b/.ci/integration_test.groovy
index ea7f95f8985..c5cb281c96e 100644
--- a/.ci/integration_test.groovy
+++ b/.ci/integration_test.groovy
@@ -9,6 +9,7 @@ def call(ghprbActualCommit, ghprbPullId, ghprbPullTitle, ghprbPullLink, ghprbPul
     if (m1) {
         TIDB_BRANCH = "${m1[0][1]}"
     }
+    m1 = null
     println "TIDB_BRANCH=${TIDB_BRANCH}"
 
     // parse pd branch
@@ -16,6 +17,7 @@ def call(ghprbActualCommit, ghprbPullId, ghprbPullTitle, ghprbPullLink, ghprbPul
     if (m2) {
         PD_BRANCH = "${m2[0][1]}"
     }
+    m2 = null
     println "PD_BRANCH=${PD_BRANCH}"
 
     // parse tikv branch
@@ -23,6 +25,7 @@ def call(ghprbActualCommit, ghprbPullId, ghprbPullTitle, ghprbPullLink, ghprbPul
     if (m3) {
         TIKV_BRANCH = "${m3[0][1]}"
     }
+    m3 = null
     println "TIKV_BRANCH=${TIKV_BRANCH}"
 
     catchError {