diff --git a/osmosis-apidb/src/main/java/org/openstreetmap/osmosis/apidb/common/DatabaseContext2.java b/osmosis-apidb/src/main/java/org/openstreetmap/osmosis/apidb/common/DatabaseContext2.java
index 65b676e5e..4f5bbd33b 100644
--- a/osmosis-apidb/src/main/java/org/openstreetmap/osmosis/apidb/common/DatabaseContext2.java
+++ b/osmosis-apidb/src/main/java/org/openstreetmap/osmosis/apidb/common/DatabaseContext2.java
@@ -16,6 +16,7 @@
 import org.springframework.jdbc.datasource.DataSourceTransactionManager;
 import org.springframework.jdbc.datasource.DataSourceUtils;
 import org.springframework.transaction.PlatformTransactionManager;
+import org.springframework.transaction.TransactionDefinition;
 import org.springframework.transaction.support.TransactionCallback;
 import org.springframework.transaction.support.TransactionTemplate;
 
@@ -47,6 +48,12 @@ public DatabaseContext2(DatabaseLoginCredentials loginCredentials) {
     	dataSource = DataSourceFactory.createDataSource(loginCredentials);
     	txnManager = new DataSourceTransactionManager(dataSource);
     	txnTemplate = new TransactionTemplate(txnManager);
+    	// Use REPEATABLE READ so that all sequential reads within one osmosis dump
+    	// (way_nodes read, then nodes geometry read, then relations read) share a
+    	// single MVCC snapshot.  Without this, READ COMMITTED lets a concurrent
+    	// cgimap edit delete nodes between the two reads, producing ways with
+    	// missing node references ("Way with less than two nodes" in osmium).
+    	txnTemplate.setIsolationLevel(TransactionDefinition.ISOLATION_REPEATABLE_READ);
     	jdbcTemplate = new JdbcTemplate(dataSource);
     	this.dbType = loginCredentials.getDbType();