qiaojialin commented on a change in pull request #1721:
URL: https://github.com/apache/iotdb/pull/1721#discussion_r538032383
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File path: server/src/main/java/org/apache/iotdb/db/conf/IoTDBConfigCheck.java
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@@ -184,27 +185,24 @@ public void checkConfig() throws IOException {
inputStream, TSFileConfig.STRING_CHARSET)) {
properties.load(inputStreamReader);
}
- // check whether upgrading from v0.9 to v0.11
- if (!properties.containsKey(IOTDB_VERSION_STRING)) {
- logger.error("DO NOT UPGRADE IoTDB from v0.9 or lower version to v0.11!"
- + " Please upgrade to v0.10 first");
+ // check whether upgrading from v0.9 to v0.12
Review comment:
from <=0.10 to 0.12
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