Fix NPE on invalid query

Caused by: java.lang.NullPointerException
	at org.nuxeo.runtime.datasource.DatasourceExceptionSorter$Configuration.isFatal(DatasourceExceptionSorter.java:154)
	at org.nuxeo.runtime.datasource.DatasourceExceptionSorter.isExceptionFatal(DatasourceExceptionSorter.java:225)
	at org.nuxeo.runtime.datasource.PooledDataSourceFactory$JdbcConnectionFactory$1ManagedJDBCConnection.isFatal(PooledDataSourceFactory.java:341)
	at org.nuxeo.runtime.datasource.PooledDataSourceFactory$JdbcConnectionFactory$1ManagedJDBCConnection.connectionError(PooledDataSourceFactory.java:317)
	at org.tranql.connector.jdbc.ConnectionHandle.connectionError(ConnectionHandle.java:112)
	at org.tranql.connector.jdbc.PreparedStatementHandle.executeQuery(PreparedStatementHandle.java:54)
	at org.nuxeo.ecm.core.storage.sql.jdbc.JDBCMapper.queryProjection(JDBCMapper.java:816)
	at org.nuxeo.ecm.core.storage.sql.jdbc.JDBCMapper.query(JDBCMapper.java:715)
	at sun.reflect.GeneratedMethodAccessor195.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.nuxeo.ecm.core.storage.sql.jdbc.JDBCMapperConnector.doInvoke(JDBCMapperConnector.java:111)
	at org.nuxeo.ecm.core.storage.sql.jdbc.JDBCMapperConnector.lambda$doConnectAndInvoke$0(JDBCMapperConnector.java:98)
	at org.nuxeo.runtime.transaction.TransactionHelper.runInTransaction(TransactionHelper.java:589)
	at org.nuxeo.ecm.core.storage.sql.jdbc.JDBCMapperConnector.doConnectAndInvoke(JDBCMapperConnector.java:95)
	at org.nuxeo.ecm.core.storage.sql.jdbc.JDBCMapperConnector.invoke(JDBCMapperConnector.java:84)
	at com.sun.proxy.$Proxy65.query(Unknown Source)
	at org.nuxeo.ecm.core.storage.sql.SoftRefCachingMapper.query(SoftRefCachingMapper.java:104)
	at org.nuxeo.ecm.core.storage.sql.SessionImpl.query(SessionImpl.java:1290)
	at org.nuxeo.ecm.core.storage.sql.ra.ConnectionImpl.query(ConnectionImpl.java:334)
	at org.nuxeo.ecm.core.storage.sql.coremodel.SQLSession.query(SQLSession.java:382)
	at org.nuxeo.ecm.core.api.AbstractSession.query(AbstractSession.java:1182)
	at org.nuxeo.ecm.core.api.AbstractSession.query(AbstractSession.java:1159)
	at org.nuxeo.ecm.platform.query.nxql.CoreQueryDocumentPageProvider.getCurrentPage(CoreQueryDocumentPageProvider.java:148)
	at org.nuxeo.ecm.platform.query.api.AbstractPageProvider.getCurrentSelectPage(AbstractPageProvider.java:715)
	at org.nuxeo.ecm.platform.query.nxql.CoreQueryDocumentPageProvider.getCurrentSelectPage(CoreQueryDocumentPageProvider.java:347)

org.h2.jdbc.JdbcSQLException: Error while indexing document; SQL statement:
SELECT "_C1", _NXSCORE FROM (SELECT "HIERARCHY"."ID" AS "_C1", 1 AS _NXSCORE FROM "HIERARCHY" LEFT JOIN NXFT_SEARCH('PUBLIC_FULLTEXT_default', ?) "_NXFTTBL" ON "_NXFTTBL".KEY = "HIERARCHY"."ID" WHERE (("HIERARCHY"."PRIMARYTYPE" IN (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)) AND ("_NXFTTBL".KEY IS NOT NULL)) UNION ALL SELECT "_H"."ID" AS "_C1", 1 AS _NXSCORE FROM "HIERARCHY" "_H" JOIN "PROXIES" ON "_H"."ID" = "PROXIES"."ID" JOIN "HIERARCHY" ON "PROXIES"."TARGETID" = "HIERARCHY"."ID" LEFT JOIN NXFT_SEARCH('PUBLIC_FULLTEXT_default', ?) "_NXFTTBL" ON "_NXFTTBL".KEY = "HIERARCHY"."ID" WHERE (("HIERARCHY"."PRIMARYTYPE" IN (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)) AND ("_NXFTTBL".KEY IS NOT NULL))) ORDER BY _NXSCORE DESC LIMIT 201 OFFSET 0 [0-177]
	at org.h2.message.DbException.addSQL(DbException.java:131)
	at org.h2.command.Command.executeQuery(Command.java:213)
	at org.h2.jdbc.JdbcPreparedStatement.executeQuery(JdbcPreparedStatement.java:109)
	at org.tranql.connector.jdbc.PreparedStatementHandle.executeQuery(PreparedStatementHandle.java:52)
	at org.nuxeo.ecm.core.storage.sql.jdbc.JDBCMapper.queryProjection(JDBCMapper.java:816)
	at org.nuxeo.ecm.core.storage.sql.jdbc.JDBCMapper.query(JDBCMapper.java:715)
...
Caused by: java.sql.SQLException: Error while indexing document
	at org.nuxeo.ecm.core.storage.sql.db.H2Fulltext.convertException(H2Fulltext.java:515)
	at org.nuxeo.ecm.core.storage.sql.db.H2Fulltext.convertException(H2Fulltext.java:511)
	at org.nuxeo.ecm.core.storage.sql.db.H2Fulltext.search(H2Fulltext.java:359)
	at sun.reflect.GeneratedMethodAccessor376.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.h2.engine.FunctionAlias$JavaMethod.getValue(FunctionAlias.java:481)
...
Caused by: org.apache.lucene.queryparser.classic.ParseException: Cannot parse 'some"thing': Lexical error at line 1, column 11.  Encountered: <EOF> after : "\"thing"
	at org.apache.lucene.queryparser.classic.QueryParserBase.parse(QueryParserBase.java:116)
	at org.nuxeo.ecm.core.storage.sql.db.H2Fulltext.search(H2Fulltext.java:351)
	... 415 more
Caused by: org.apache.lucene.queryparser.classic.TokenMgrError: Lexical error at line 1, column 11.  Encountered: <EOF> after : "\"thing"
	at org.apache.lucene.queryparser.classic.QueryParserTokenManager.getNextToken(QueryParserTokenManager.java:1119)
	at org.apache.lucene.queryparser.classic.QueryParser.getToken(QueryParser.java:854)
	at org.apache.lucene.queryparser.classic.QueryParser.jj_3R_3(QueryParser.java:668)
	at org.apache.lucene.queryparser.classic.QueryParser.jj_3_1(QueryParser.java:702)
	at org.apache.lucene.queryparser.classic.QueryParser.jj_2_1(QueryParser.java:646)
	at org.apache.lucene.queryparser.classic.QueryParser.Query(QueryParser.java:225)
	at org.apache.lucene.queryparser.classic.QueryParser.TopLevelQuery(QueryParser.java:215)
	at org.apache.lucene.queryparser.classic.QueryParserBase.parse(QueryParserBase.java:111)
	... 416 more