2746980 - java.lang.NoSuchMethodError / SAP DBTech JDBC: Cannot connect to jdbc

Java of the Solman 7.1 does not start any more.

Error visible in jvm_bootstrap:

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Exception occurred:
java.lang.NoSuchMethodError: java.util.regex.Pattern.quote(Ljava/lang/String;)Ljava/lang/String;
at com.sap.dbtech.jdbc.DriverSapDB.getJVMVersion(DriverSapDB.java:130)
at com.sap.dbtech.jdbc.DriverSapDB.<clinit>(DriverSapDB.java:90)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:147)
at com.sap.sql.jdbc.NativeConnectionFactory.createNativeConnection(NativeConnectionFactory.java:134)
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Error visible in System log:

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System/Database/sql/jdbc##com.sap.sql.jdbc.NativeConnectionFactory#######Thread[main,5,main]##0#0#Error#1#com.sap.sql.jdbc.NativeCon nectionFactory#Java#com.sap.sql_0002#com.sap.sql.log.OpenSQLResourceBundle#SQL error occurred on connection {3}: code={0,number,integer}, state="{1}", message="{2}".#5#-813#HY000#SAP DBTech JDBC: Cannot connect to jdbc:sapdb://solman/<sid> [Cannot connect to host localhost:7200 [Connection refused],
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 Oracle Database

JDBC, NoSuchMethodError, DriverSapDB, java, lang, getJVMVersion, Oracle , KBA , BC-DB-ORA , Oracle , BC-JAS-COR , Enterprise Runtime, Core J2EE Framework , Problem