[java & MySql] Path does not chain with any of the trust anchors

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When installing the application on the customer’s site, the application failed to start. The error is as follows:

 1 2018-12-12 20:17:44.371 |-ERROR [Druid-ConnectionPool-Create-116919541] com.alibaba.druid.pool.DruidDataSource [2471] -| create connection SQLException, url: jdbc:mysql://127.0.0.1:3306/xx?characterEncoding=utf8&useSSL=true, errorCode 0, state 08S01
 2 com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
 3 
 4 The last packet successfully received from the server was 905 milliseconds ago.  The last packet sent successfully to the server was 899 milliseconds ago.
 5     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 6     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
 7     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
 8     at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
 9     at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
10     at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
11     at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:201)
12     at com.mysql.jdbc.MysqlIO.negotiateSSLConnection(MysqlIO.java:4912)
13     at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1663)
14     at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1224)
15     at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2190)
16     at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2221)
17     at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2016)
18     at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:776)
19     at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
20     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
21     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
22     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
23     at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
24     at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
25     at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:386)
26     at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330)
27     at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156)
28     at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:218)
29     at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150)
30     at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1560)
31     at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1623)
32     at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2468)
33 Caused by: javax.net.ssl.SSLHandshakeException: java.security.cert.CertificateException: java.security.cert.CertPathValidatorException: Path does not chain with any of the trust anchors
34     at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
35     at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1959)
36     at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:328)
37     at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:322)
38     at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1614)
39     at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:216)
40     at sun.security.ssl.Handshaker.processLoop(Handshaker.java:1052)
41     at sun.security.ssl.Handshaker.process_record(Handshaker.java:987)
42     at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1072)
43     at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1385)
44     at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1413)
45     at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1397)
46     at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:186)
47     ... 21 common frames omitted
48 Caused by: java.security.cert.CertificateException: java.security.cert.CertPathValidatorException: Path does not chain with any of the trust anchors
49     at com.mysql.jdbc.ExportControlled$X509TrustManagerWrapper.checkServerTrusted(ExportControlled.java:302)
50     at sun.security.ssl.AbstractTrustManagerWrapper.checkServerTrusted(SSLContextImpl.java:985)
51     at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1596)
52     ... 29 common frames omitted
53 Caused by: java.security.cert.CertPathValidatorException: Path does not chain with any of the trust anchors
54     at sun.security.provider.certpath.PKIXCertPathValidator.validate(PKIXCertPathValidator.java:153)
55     at sun.security.provider.certpath.PKIXCertPathValidator.engineValidate(PKIXCertPathValidator.java:79)
56     at java.security.cert.CertPathValidator.validate(CertPathValidator.java:292)
57     at com.mysql.jdbc.ExportControlled$X509TrustManagerWrapper.checkServerTrusted(ExportControlled.java:295)
58     ... 31 common frames omitted

Search on the Internet is a certificate problem, the address of usessl can be changed to false

After installing 5.7 database in windows, no error was reported

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