upgrade seata to 0.7.1 and update seata sample

Signed-off-by: slievrly <slievrly@163.com>

spring-cloud-alibaba-examples/seata-example/business-service/src/main/resources/file.conf

@@ -19,36 +19,12 @@ transport {
     #auto default pin or 8
     worker-thread-size = 8
   }
-}
-## transaction log store
-store {
-  ## store mode: file、db
-  mode = "file"
-
-  ## file store
-  file {
-    dir = "sessionStore"
-
-    # branch session size , if exceeded first try compress lockkey, still exceeded throws exceptions
-    max-branch-session-size = 16384
-    # globe session size , if exceeded throws exceptions
-    max-global-session-size = 512
-    # file buffer size , if exceeded allocate new buffer
-    file-write-buffer-cache-size = 16384
-    # when recover batch read size
-    session.reload.read_size = 100
-    # async, sync
-    flush-disk-mode = async
+  shutdown {
+    # when destroy server, wait seconds
+    wait = 3
   }
-
-  ## database store
-  db {
-    driver_class = ""
-    url = ""
-    user = ""
-    password = ""
-  }
-
+  serialization = "seata"
+  compressor = "none"
 }
 service {
   #vgroup->rgroup
@@ -59,6 +35,9 @@ service {
   enableDegrade = false
   #disable
   disable = false
+  #unit ms,s,m,h,d represents milliseconds, seconds, minutes, hours, days, default permanent
+  max.commit.retry.timeout = "-1"
+  max.rollback.retry.timeout = "-1"
 }
 client {
   async.commit.buffer.limit = 10000
@@ -66,4 +45,18 @@ client {
     retry.internal = 10
     retry.times = 30
   }
+  report.retry.count = 5
+}
+transaction {
+  undo.data.validation = true
+  undo.log.serialization = "jackson"
+}
+
+## metrics settings
+metrics {
+  enabled = false
+  registry-type = "compact"
+  # multi exporters use comma divided
+  exporter-list = "prometheus"
+  exporter-prometheus-port = 9898
 }