diff --git a/data/txt/sha256sums.txt b/data/txt/sha256sums.txt
index a878f0b52..e60e4225f 100644
--- a/data/txt/sha256sums.txt
+++ b/data/txt/sha256sums.txt
@@ -188,7 +188,7 @@ c65ce3cd38ee85c443c6619cfea84920390bad171f2999b95149485c0d1bc4a2  lib/core/patch
 48797d6c34dd9bb8a53f7f3794c85f4288d82a9a1d6be7fcf317d388cb20d4b3  lib/core/replication.py
 0b8c38a01bb01f843d94a6c5f2075ee47520d0c4aa799cecea9c3e2c5a4a23a6  lib/core/revision.py
 888daba83fd4a34e9503fe21f01fef4cc730e5cde871b1d40e15d4cbc847d56c  lib/core/session.py
-da73ddb39eb59012230739eba1a5ccbd32d6c4ef8ae23d2e847c12e50d6705bd  lib/core/settings.py
+b882f773b9c95c628b78ff232ef75c2f26b4303f0db9a4283aa8f0a616114988  lib/core/settings.py
 cd5a66deee8963ba8e7e9af3dd36eb5e8127d4d68698811c29e789655f507f82  lib/core/shell.py
 bcb5d8090d5e3e0ef2a586ba09ba80eef0c6d51feb0f611ed25299fbb254f725  lib/core/subprocessng.py
 70ea3768f1b3062b22d20644df41c86238157ec80dd43da40545c620714273c6  lib/core/target.py
@@ -277,7 +277,7 @@ c07f786b06dc694fa6e300f69b3e838dc9c917cf8120306f1c23e834193d3694  plugins/dbms/a
 b55d9c944cf390cd496bd5e302aa5815c9c327d5bb400dc9426107c91a40846d  plugins/dbms/altibase/__init__.py
 859cc5b9be496fe35f2782743f8e573ff9d823de7e99b0d32dbc250c361c653e  plugins/dbms/altibase/syntax.py
 2c3bb750d3c1fb1547ec59eb392d66df37735bd74cca4d2c745141ea577cce1e  plugins/dbms/altibase/takeover.py
-c03bf2d0584327f83956209f4f4697661b908b32b6fe5a1f9f2e06560870b084  plugins/dbms/cache/connector.py
+584e1ecd6ab812b52a0e959d1e061895411109f145fb81faf435a2c568f91c53  plugins/dbms/cache/connector.py
 49b591c1b1dc7927f59924447ad8ec5cb9d97a74ad4b34b43051253876c27cdc  plugins/dbms/cache/enumeration.py
 672dc9b3d291aa4f5d6c4cbe364e92b92e19ee6de86f6d9b9a4dda7d5611b409  plugins/dbms/cache/filesystem.py
 ef270e87f7fc2556f900c156a4886f995a185ff920df9d2cd954db54ee1f0b77  plugins/dbms/cache/fingerprint.py
@@ -347,7 +347,7 @@ c14d73712d9d6fcfa6b580d72075d51901c472bdd7e1bc956973363ad1fca4d8  plugins/dbms/h
 742d4a29f8875c8dabe58523b5e3b27c66e29a964342ec6acd19a71714b46bb1  plugins/dbms/h2/__init__.py
 1df5c5d522b381ef48174cfc5c9e1149194e15c80b9d517e3ed61d60b1a46740  plugins/dbms/h2/syntax.py
 c994c855cf0d30cf0fa559a1d9afc22c3e31a14ba2634f11a1a393c7f6ec4b95  plugins/dbms/h2/takeover.py
-eedf40aa079cfaae5616b213ff994f796b726fcfb99c567db51cdf2cd75aacc7  plugins/dbms/hsqldb/connector.py
+cda313311ae5041eb8129db7cff8f9d9d42296313929cf72938e962d6ec46466  plugins/dbms/hsqldb/connector.py
 03c8dd263a4d175f3b55e9cbcaa2823862abf858bab5363771792d8fd49d77a1  plugins/dbms/hsqldb/enumeration.py
 2e64d477331cb7da88757d081abf2885d025b51874f6b16bde83d82f1430bc35  plugins/dbms/hsqldb/filesystem.py
 b5b86da64fc24453a3354523a786a2047b99cd200eae7015eef180655be5cff5  plugins/dbms/hsqldb/fingerprint.py
diff --git a/lib/core/settings.py b/lib/core/settings.py
index 018491fb3..397ee4976 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -20,7 +20,7 @@ from lib.core.enums import OS
 from thirdparty import six
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.10.6.22"
+VERSION = "1.10.6.23"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
diff --git a/plugins/dbms/cache/connector.py b/plugins/dbms/cache/connector.py
index 2f2d3c510..67a661e4a 100644
--- a/plugins/dbms/cache/connector.py
+++ b/plugins/dbms/cache/connector.py
@@ -37,8 +37,9 @@ class Connector(GenericConnector):
             jar = readInput(msg)
             checkFile(jar)
             args = "-Djava.class.path=%s" % jar
-            jvm_path = jpype.getDefaultJVMPath()
-            jpype.startJVM(jvm_path, args)
+            if not jpype.isJVMStarted():
+                jvm_path = jpype.getDefaultJVMPath()
+                jpype.startJVM(jvm_path, args)
         except Exception as ex:
             raise SqlmapConnectionException(getSafeExString(ex))
 
diff --git a/plugins/dbms/hsqldb/connector.py b/plugins/dbms/hsqldb/connector.py
index 429337d20..95630b76e 100644
--- a/plugins/dbms/hsqldb/connector.py
+++ b/plugins/dbms/hsqldb/connector.py
@@ -37,8 +37,9 @@ class Connector(GenericConnector):
             jar = readInput(msg)
             checkFile(jar)
             args = "-Djava.class.path=%s" % jar
-            jvm_path = jpype.getDefaultJVMPath()
-            jpype.startJVM(jvm_path, args)
+            if not jpype.isJVMStarted():
+                jvm_path = jpype.getDefaultJVMPath()
+                jpype.startJVM(jvm_path, args)
         except Exception as ex:
             raise SqlmapConnectionException(getSafeExString(ex))