Question

下面是我的DAO Impl方法，该方法调用数据库，在单线程中工作正常，但是当我在多节点环境中部署时获取错误并锁定不被释放

@Transactional
public long getSequenceUniqueId()throws Exception {
Session session = sessionFactory.getCurrentSession();

long minVal = 0L;
long maxVal = 0L;
long existingId=0L;
try
{
    MySequence myEntityObj = (MySequence) session.load(MySequence.class, ID, LockMode.UPGRADE);
    existingId=myEntityObj.getSequence();
    maxVal=myEntityObj.getMaxVal();
    minVal=myEntityObj.getMinVal();
    existingId = existingId+1;
    myEntityObj.setSequence(existingId);
    session.update(myEntityObj);
    session.flush();
}catch(Exception lAE)
{
    lAE.printStackTrace();
}
return existingId;
}

Answer 1

尝试在finally子句中刷新和关闭：

 <Rs rsId="98324" snpClass="snp" snpType="notwithdrawn"
  molType="genomic" genotype="true"bitField="050028000005130500030100"
    taxId="9606">
    <Het type="est" value="0.05" stdError="0.1547"/>
    <Validation byCluster="true" byOtherPop="true" byHapMap="true"
    by1000G="true">
        <otherPopBatchId>7179</otherPopBatchId>
    </Validation>
    <Create build="36" date="2000-09-19 17:02"/>
    <Update build="144" date="2015-05-07 10:52"/>
    <Sequence exemplarSs="491581208" ancestralAllele="C,C">
    <Seq5>
     ATAAGCAAATAACTGAAGTTTAATCAGTCTCCTCCCAGCAAGTGATATGCAACTGAGATTCC
     TTATGACACATCTGAACACTAGTGGATTTGCTTTGTAGTAGGAACAA
     GGTACATTCGCGGGATAAATGTGGCCAAGTTTTATCTGCTGCCAGGGCTTTCAAAT
     AGGTTGACCTGACAATGGGTCACCTCTGGGACTGA</Seq5>
        <Observed>C/T</Observed>
  <Seq3>AATTAGGAAGAGCTGGTACCTAAAATGAAAGATGCCCTTAAATTTCAGATTCACAATTTTTT
        TTTCTTAGTATAAGCATGTCCCATGTAATATCTGGGATATACTCATACCTT
        TAAAAATGTGCTCATTGTTTATCTGAAATTCACATTTTAACAGGGAACCATTGT
        TTTGTTATTGTTTATTGTTTTGTTTCTAAATAA</Seq3>
    </Sequence>
    <Ss ssId="1556770886" handle="1000GENOMES" batchId="1061891"
     locSnpId="PHASE3_chrY_229259" subSnpClass="snp" orient="reverse"
      strand="top" molType="genomic" buildId="144"
       methodClass="sequence" validated="by-submitter">
        <Sequence>
            <Seq5>TTTTAGGTACCAGCTCTTCCTAATT</Seq5>
            <Observed>A/G</Observed>
            <Seq3>TCAGTCCCAGAGGTGACCCATTGTC</Seq3>
        </Sequence>
    </Ss>
    <Assembly dbSnpBuild="144" genomeBuild="38.2"
    groupLabel="GRCh38.p2" current="true" reference="true">
        <Component componentType="contig" accession="NT_011875.13"
        chromosome="Y" start="11642902" end="21789280"
        orientation="fwd" gi="568801947" groupTerm="NC_000024.10"
        contigLabel="GCF_000001405.28">
            <MapLoc asnFrom="5341580" asnTo="5341580" locType="exact"
        alnQuality="1" orient="reverse" physMapInt="16984482"
       leftContigNeighborPos="5341579"rightContigNeighborPos="5341581"
       refAllele="G"/>
        </Component>
        <SnpStat mapWeight="unique-in-contig" chromCount="1"
         placedContigCount="1" unplacedContigCount="0" seqlocCount="1"
        hapCount="0"/>
    </Assembly>
    <RsLinkout resourceId="1" linkValue="3894"/>
    <RsLinkout resourceId="4" linkValue="60936"/>
    <RsLinkout resourceId="5" linkValue="23388839"/>
    <MergeHistory rsId="56546490" buildId="130"/>
    <MergeHistory rsId="386588736" buildId="142"/>
    <hgvs>NC_000024.9:g.19096363G&gt;A</hgvs>
    <hgvs>NC_000024.10:g.16984483G&gt;A</hgvs>
    <Frequency freq="0.0276" allele="A" sampleSize="1233"/>
</Rs>

操作无效：语句已关闭。 ERRORCODE = -4470，SQLSTATE = null

1 个答案: