diff --git a/climbing-nemesis.py b/climbing-nemesis.py
new file mode 100644
index 0000000..f5472db
--- /dev/null
+++ b/climbing-nemesis.py
@@ -0,0 +1,245 @@
+#!/usr/bin/env python
+
+# Copyright 2013, 2014 Red Hat, Inc., and William C. Benton
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import xml.etree.ElementTree as ET
+import argparse
+import StringIO
+import re
+import subprocess
+import logging
+
+from os.path import exists as pathexists
+from os.path import realpath
+from os.path import join as pathjoin
+from os import makedirs
+from os import symlink
+from os import remove as rmfile
+from shutil import copyfile
+
+class Artifact(object):
+    def __init__(self, a, g, v):
+        self.artifact = a
+        self.group = g
+        self.version = v
+    
+    @classmethod
+    def fromCoords(k, coords):
+        g,a,v = coords.split(":")
+        return k(a, g, v)
+    
+    @classmethod
+    def fromSubtree(k, t, ns):
+        a = t.find("./%sartifactId" % ns).text
+        g = t.find("./%sgroupId" % ns).text
+        v = t.find("./%sversion" % ns).text
+        return k(a, g, v)
+    
+    def contains(self, substrings):
+        for s in substrings:
+            if s in self.artifact or s in self.group:
+                cn_debug("ignoring %r because it contains %s" % (self, s))
+                return True
+        if len(substrings) > 0:
+            cn_debug("not ignoring %r; looked for %r" % (self, substrings))
+        return False
+    
+    def __repr__(self):
+        return "%s:%s:%s" % (self.group, self.artifact, self.version)
+
+class DummyPOM(object):
+    def __init__(self, groupID=None, artifactID=None, version=None):
+        self.groupID = groupID
+        self.artifactID = artifactID
+        self.version = version
+        self.deps = []
+
+def interestingDep(dt, namespace):
+    if len(dt.findall("./%soptional" % namespace)) != 0:
+        cn_debug("ignoring optional dep %r" % Artifact.fromSubtree(dt, namespace))
+        return False
+    if [e for e in dt.findall("./%sscope" % namespace) if e.text == "test"] != []:
+        cn_debug("ignoring test dep %r" % Artifact.fromSubtree(dt, namespace))
+        return False
+    return True
+
+class POM(object):
+    def __init__(self, filename, suppliedGroupID=None, suppliedArtifactID=None, ignored_deps=[], override=None, extra_deps=[]):
+        self.filename = filename
+        self.sGroupID = suppliedGroupID
+        self.sArtifactID = suppliedArtifactID
+        self.logger = logging.getLogger("com.freevariable.climbing-nemesis")
+        self.deps = []
+        self.ignored_deps = ignored_deps
+        self.extra_deps = extra_deps
+        cn_debug("POM:  extra_deps is %r" % extra_deps)
+        self._parsePom()
+        self.claimedGroup, self.claimedArtifact  = override is not None and override or (self.groupID, self.artifactID)
+    
+    def _parsePom(self):
+        tree = ET.parse(self.filename)
+        project = tree.getroot()
+        self.logger.info("parsing POM %s", self.filename)
+        self.logger.debug("project tag is '%s'", project.tag)
+        tagmatch = re.match("[{](.*)[}].*", project.tag)
+        namespace = tagmatch and "{%s}" % tagmatch.groups()[0] or ""
+        self.logger.debug("looking for '%s'", ("./%sgroupId" % namespace))
+        groupIDtag = project.find("./%sgroupId" % namespace) 
+        if groupIDtag is None:
+            groupIDtag = project.find("./%sparent/%sgroupId" % (namespace,namespace))
+        
+        versiontag = project.find("./%sversion" % namespace)
+        if versiontag is None:
+            versiontag = project.find("./%sparent/%sversion" % (namespace,namespace))
+        self.logger.debug("group ID tag is '%s'", groupIDtag)
+        self.groupID = groupIDtag.text
+        self.artifactID = project.find("./%sartifactId" % namespace).text
+        self.version = versiontag.text
+        depTrees = project.findall(".//%sdependencies/%sdependency" % (namespace, namespace))
+        alldeps = [Artifact.fromSubtree(depTree, namespace) for depTree in depTrees if interestingDep(depTree, namespace)]
+        alldeps = [dep for dep in alldeps if not (dep.group == self.groupID and dep.artifact == self.artifactID)]
+        self.deps = [dep for dep in alldeps if not dep.contains(self.ignored_deps)] + [Artifact.fromCoords(xtra) for xtra in self.extra_deps]
+        jarmatch = re.match(".*JPP-(.*).pom", self.filename)
+        self.jarname = (jarmatch and jarmatch.groups()[0] or None)
+
+def cn_debug(*args):
+    logging.getLogger("com.freevariable.climbing-nemesis").debug(*args)
+
+def cn_info(*args):
+    logging.getLogger("com.freevariable.climbing-nemesis").info(*args)
+
+def resolveArtifact(group, artifact, ver, pomfile=None, kind="jar", ignored_deps=[], override=None, extra_deps=[]):
+    # XXX: some error checking would be the responsible thing to do here
+    cn_debug("rA:  extra_deps is %r" % extra_deps)
+    if pomfile is None:
+        try:
+            if getFedoraRelease() > 19:
+                [pom] = subprocess.check_output(["xmvn-resolve", "%s:%s:pom:%s" % (group, artifact, ver)]).split()
+            else:
+                [pom] = subprocess.check_output(["xmvn-resolve", "%s:%s:%s" % (group, artifact, kind)]).split()
+            return POM(pom, ignored_deps=ignored_deps, override=override, extra_deps=extra_deps)
+        except:
+            return DummyPOM(group, artifact)
+    else:
+        return POM(pomfile, ignored_deps=ignored_deps, override=override, extra_deps=extra_deps)
+
+def resolveArtifacts(identifiers):
+    coords = ["%s:%s:jar" % (group, artifact) for (group, artifact) in identifiers]
+    poms =  subprocess.check_output(["xmvn-resolve"] + coords).split()
+    return [POM(pom) for pom in poms]
+
+def resolveJar(group, artifact, ver):
+    [jar] = subprocess.check_output(["xmvn-resolve", "%s:%s:jar:%s" % (group, artifact, ver)]).split()
+    return jar
+
+def makeIvyXmlTree(org, module, revision, status="release", meta={}, deps=[]):
+    ivy_module = ET.Element("ivy-module", {"version":"1.0", "xmlns:e":"http://ant.apache.org/ivy/extra"})
+    info = ET.SubElement(ivy_module, "info", dict({"organisation":org, "module":module, "revision":revision, "status":status}.items() + meta.items()))
+    info.text = " " # ensure a close tag
+    confs = ET.SubElement(ivy_module, "configurations")
+    for conf in ["default", "provided", "test"]:
+        ET.SubElement(confs, "conf", {"name":conf})
+    pubs = ET.SubElement(ivy_module, "publications")
+    ET.SubElement(pubs, "artifact", {"name":module, "type":"jar"})
+    if len(deps) > 0:
+        deptree = ET.SubElement(ivy_module, "dependencies")
+        for dep in deps:
+            ET.SubElement(deptree, "dependency", {"org":dep.group, "name":dep.artifact, "rev":dep.version})
+    return ET.ElementTree(ivy_module)
+
+def writeIvyXml(org, module, revision, status="release", fileobj=None, meta={}, deps=[]):
+    # XXX: handle deps!
+    if fileobj is None:
+        fileobj = StringIO.StringIO()
+    tree = makeIvyXmlTree(org, module, revision, status, meta=meta, deps=deps)
+    tree.write(fileobj, xml_declaration=True)
+    return fileobj
+
+def ivyXmlAsString(org, module, revision, status, meta={}, deps=[]):
+    return writeIvyXml(org, module, revision, status, meta=meta, deps=deps).getvalue()
+
+def placeArtifact(artifact_file, repo_dirname, org, module, revision, status="release", meta={}, deps=[], supplied_ivy_file=None, scala=None, override=None, override_dir_only=False):
+    if scala is not None:
+        module = module + "_%s" % scala
+    jarmodule = module
+    if override is not None:
+        org, module = override
+        if not override_dir_only:
+            jarmodule = module
+    repo_dir = realpath(repo_dirname)
+    artifact_dir = pathjoin(*[repo_dir] + [org] + [module, revision])
+    ivyxml_path = pathjoin(artifact_dir, "ivy.xml")
+    artifact_repo_path = pathjoin(artifact_dir, "%s-%s.jar" % (jarmodule, revision))
+    
+    if not pathexists(artifact_dir):
+        makedirs(artifact_dir)
+    
+    ivyxml_file = open(ivyxml_path, "w")
+    if supplied_ivy_file is None:
+        writeIvyXml(org, module, revision, status, ivyxml_file, meta=meta, deps=deps)
+    else:
+        copyfile(supplied_ivy_file, ivyxml_path)
+    
+    if pathexists(artifact_repo_path):
+        rmfile(artifact_repo_path)
+    
+    symlink(artifact_file, artifact_repo_path)
+
+def getFedoraRelease():
+    cmd = "rpm -q --qf %{version} fedora-release"
+    return int(subprocess.check_output(cmd.split()))
+
+def main():
+    parser = argparse.ArgumentParser(description="Place a locally-installed artifact in a custom local Ivy repository; get metadata from Maven")
+    parser.add_argument("group", metavar="GROUP", type=str, help="name of group")
+    parser.add_argument("artifact", metavar="ARTIFACT", type=str, help="name of artifact")
+    parser.add_argument("ver", metavar="VER", type=str, help="version of artifact")
+    parser.add_argument("repodir", metavar="REPO", type=str, help="location for local repo")
+    parser.add_argument("--version", metavar="VERSION", type=str, help="version to advertise this artifact as, overriding Maven metadata")
+    parser.add_argument("--meta", metavar="K=V", type=str, help="extra metadata to store in ivy.xml", action='append')
+    parser.add_argument("--jarfile", metavar="JAR", type=str, help="local jar file (use instead of POM metadata")
+    parser.add_argument("--pomfile", metavar="POM", type=str, help="local pom file (use instead of xmvn-resolved one")
+    parser.add_argument("--log", metavar="LEVEL", type=str, help="logging level")
+    parser.add_argument("--ivyfile", metavar="IVY", type=str, help="supplied Ivy file (use instead of POM metadata)")
+    parser.add_argument("--scala", metavar="VERSION", type=str, help="encode given scala version in artifact name")
+    parser.add_argument("--ignore", metavar="STR", type=str, help="ignore dependencies whose artifact or group contains str", action='append')
+    parser.add_argument("--override", metavar="ORG:NAME", type=str, help="override organization and/or artifact name")
+    parser.add_argument("--override-dir-only", action='store_true', help="override organization and/or artifact name")
+    parser.add_argument("--extra-dep", metavar="ORG:NAME:VERSION", action='append', help="add the given dependencya")
+    args = parser.parse_args()
+    
+    if args.log is not None:
+        logging.basicConfig(level=getattr(logging, args.log.upper()))
+    
+    override = args.override and args.override.split(":") or None
+    cn_debug("cl: args.extra_dep is %r" % args.extra_dep)
+    extra_deps = args.extra_dep is not None and args.extra_dep or []
+    
+    pom = resolveArtifact(args.group, args.artifact, args.ver, args.pomfile, "jar", ignored_deps=(args.ignore or []), override=((not args.override_dir_only) and override or None), extra_deps=extra_deps)
+    
+    if args.jarfile is None:
+        jarfile = resolveJar(pom.groupID or args.group, pom.artifactID or args.artifact, args.ver)
+    else:
+        jarfile = args.jarfile
+    
+    version = (args.version or pom.version)
+    
+    meta = dict([kv.split("=") for kv in (args.meta or [])])
+    cn_debug("meta is %r" % meta)
+    
+    placeArtifact(jarfile, args.repodir, pom.groupID, pom.artifactID, version, meta=meta, deps=pom.deps, supplied_ivy_file=args.ivyfile, scala=args.scala, override=override, override_dir_only=args.override_dir_only)
+
+if __name__ == "__main__":
+    main()
diff --git a/mchange-commons-0.2.11.tar.gz b/mchange-commons-0.2.11.tar.gz
new file mode 100644
index 0000000..2a852e0
Binary files /dev/null and b/mchange-commons-0.2.11.tar.gz differ
diff --git a/mchange-commons.spec b/mchange-commons.spec
new file mode 100644
index 0000000..34e7080
--- /dev/null
+++ b/mchange-commons.spec
@@ -0,0 +1,61 @@
+Name:          mchange-commons
+Version:       0.2.11
+Release:       8
+Summary:       A collection of general purpose utilities for c3p0
+License:       LGPLv2 or EPL
+URL:           https://github.com/swaldman/mchange-commons-java
+Source0:       https://github.com/swaldman/mchange-commons-java/archive/mchange-commons-java-0.2.11/mchange-commons-0.2.11.tar.gz
+Source1:       https://raw.github.com/willb/climbing-nemesis/master/climbing-nemesis.py
+
+Patch0000:     mchange-no-tests.patch
+
+BuildRequires: sbt ivy-local maven-local log4j12 slf4j typesafe-config python2 python-unversioned-command
+
+BuildArch:     noarch
+
+%description
+General tool, part of c3p0.
+
+%package       help
+Summary:       API documentation for mchange-commons
+Provides:      %{name}-javadoc = %{version}-%{release}
+Obsoletes:     %{name}-javadoc < %{version}-%{release}
+
+%description help
+The help for mchange-commons to use.
+
+
+%prep
+%autosetup -n mchange-commons-java-mchange-commons-java-0.2.11 -p1
+
+find -name '*.class' -delete
+find -name '*.jar' -delete
+
+cp %{SOURCE1} .
+chmod 755 climbing-nemesis.py
+sed -i -e 's/0.13.6/0.13.1/' project/build.properties
+cp -pr /usr/share/sbt/ivy-local .
+
+%build
+cp -r /usr/share/java/jline /usr/share/java/jline2
+./climbing-nemesis.py com.typesafe config any ivy-local --version 1.2.1
+./climbing-nemesis.py log4j log4j 12 ivy-local --version 1.2.14
+./climbing-nemesis.py org.slf4j slf4j-api any ivy-local --version 1.7.5
+
+export SBT_BOOT_DIR=$PWD/boot
+export SBT_IVY_DIR=$PWD/ivy-local
+sbt package make-pom doc
+
+%mvn_artifact target/mchange-commons-java-%{version}.pom target/mchange-commons-java-%{version}.jar
+
+%install
+%mvn_install -J target/api
+
+%files -f .mfiles
+%license LICENSE*
+
+%files help -f .mfiles-javadoc
+
+%changelog
+* Thu Nov 14 2019 wangye <wangye54@huawei.com> - 0.2.11-8
+- Package init
\ No newline at end of file
diff --git a/mchange-no-tests.patch b/mchange-no-tests.patch
new file mode 100644
index 0000000..1a277bb
--- /dev/null
+++ b/mchange-no-tests.patch
@@ -0,0 +1,14 @@
+--- a/project/Build.scala.orig	2016-05-06 20:17:31.000000000 +0100
++++ b/project/Build.scala	2017-02-13 11:13:01.440309367 +0000
+@@ -52,10 +52,7 @@
+   val dependencies = Seq(
+     "com.typesafe" % "config" % "1.2.1" % "compile,optional",
+     "log4j" % "log4j" % "1.2.14+" % "compile,optional",
+-    "org.slf4j" % "slf4j-api" % "1.7.5+" % "compile,optional",
+-    "junit" % "junit" % "4.1+" % "test",
+-    "ch.qos.logback" % "logback-classic" % "1.1.2" % "test",
+-    "com.novocode" % "junit-interface" % "0.10-M3" % "test" 
++    "org.slf4j" % "slf4j-api" % "1.7.5+" % "compile,optional"
+   );
+ 
+   override lazy val settings = super.settings ++ mySettings;